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Worksheets

maths & science

Total questions: 150

Worksheet time: 2hrs 53mins

Name
Class
Date
1.

Sum of the zeros of the polynomial x2+7x+10 are

a)

7

b)

-7

c)

10

d)

-10

2.

The zeros of the quadratic polynomial x2 +99x+127 are

a)

Both Positive

b)

Both Negative

c)

One Positive and one negative

d)

Both Equal

3.

A polynomial of degree three is called

a)

Linear Polynomial

b)

Quadratic Polynomial

c)

Cubic Polynomial

d)

None of these

4.

The graph of the linear polynomial will meet x axis at

a)

1 point

b)

2 points

c)

3 points

d)

No Points

5.

A constant polynomial has degree

a)

0

b)

1

c)

2

d)

3

6.

The zero of the polynomial p(x)=2x-1 is

a)

2

b)

1

c)

1/2

d)

-1/2

7.

If one zero of the quadratic polynomial x² + 3x + k is 2, then the value of k is

a)

10

b)

-10

c)

5

d)

-5

8.

If one of the zeroes of the quadratic polynomial (k – 1) x² + kx + 1 is – 3, then the value of k is

a)


43\frac{4}{3}

b)

−43-\frac{4}{3}

c)

23\frac{2}{3}

d)

−23-\frac{2}{3}

9.

A quadratic polynomial, whose zeroes are -3 and 4, is

a)

x²- x + 12

b)

x² + x + 12

c)


x22−x2−6\frac{x^2}{2}-\frac{x}{2}-6

d)

2x2+2x−242x^2+2x-24

10.
Classify by number of terms:
3x3 – 6x
a)
Monomial
b)
Binomial
c)
Trinomial
d)
4-Term Polynomial
11.
If α,β be the zeros of the quadratic polynomial 2 - 3x - x2, then α + β = _____
a)
2
b)
- 3
c)
1
d)
None of the above
12.
Say 'TRUE' or 'FALSE'
Every real number is a zero of the zero polynomial
a)
TRUE
b)
FALSE
13.

A quadratic polynomial whose zeros are -3 and 4 are

a)

x2-x+12

b)

x2 +x+12

c)

x2/2-x/2-6

d)

2x2+2x-24

14.

A constant polynomial has degree

a)

0

b)

1

c)

2

d)

3

15.

Graph of a quadratic polynomial is a

a)

straight line

b)

circle

c)

parabola

d)

ellipse

16.

If sum of the squares of zeroes of the quadratic polynomial 6x2 + x + k is 25/36, the value of k is:

a)

4

b)

-4

c)

2

d)

-2

17.

What is the degree of this polynomial?

2x4 - 3x5 + x

a)

-3

b)

2

c)

4

d)

5

18.
Divide (n²+10n+18) by (n+5).
a)
n+4 R2
b)
n-7 R5
c)
n+5 R(-7)
d)
n+1 R0
19.

if 1 is a zero of polynomial p(x)=ax2 -3(a-1)-1, then the value of a is

a)

2

b)

3

c)

1

d)

-2

20.

if 1 is a zero of polynomial p(x)=ax2 -3(a-1)-1, then the value of a is

a)

2

b)

3

c)

1

d)

-2

21.

if 1 is a zero of polynomial p(x)=ax2 -3(a-1)-1, then the value of a is

a)

2

b)

3

c)

1

d)

-2

22.

Sum of the zeros of the polynomial x2+7x+10 are

a)

7

b)

-7

c)

10

d)

-10

23.

A polynomial of degree three is called

a)

Linear Polynomial

b)

Quadratic Polynomial

c)

Cubic Polynomial

d)

None of these

24.

The graph of the linear polynomial will meet x axis at

a)

1 point

b)

2 points

c)

3 points

d)

No Points

25.

A constant polynomial has degree

a)

0

b)

1

c)

2

d)

3

26.

The zero of the polynomial p(x)=2x-1 is

a)

2

b)

1

c)

1/2

d)

-1/2

27.

A quadratic polynomial, whose zeroes are -3 and 4, is

a)

x²- x + 12

b)

x² + x + 12

c)


x22−x2−6\frac{x^2}{2}-\frac{x}{2}-6

d)

2x2+2x−242x^2+2x-24

28.
If α,β be the zeros of the quadratic polynomial 2 - 3x - x2, then α + β = _____
a)
2
b)
- 3
c)
1
d)
None of the above
29.

Graph of a quadratic polynomial is a

a)

straight line

b)

circle

c)

parabola

d)

ellipse

30.

If sum of the squares of zeroes of the quadratic polynomial 6x2 + x + k is 25/36, the value of k is:

a)

4

b)

-4

c)

2

d)

-2

31.
Fill in the blanks:
Point (0 , -7) lies______
a)
on the x-axis
b)
in the second quadrant
c)
on the y-axis
d)
in the fourth quadrant
32.

x-coordinate of a point is also known as _____

a)

Ordinate

b)

Origin

c)

Abscissa

d)

Ordered pair

33.
The point at which the two coordinate axes meet is called ______
a)
abscissa
b)
ordinate
c)
origin
d)
quadrant
34.
If y-coordinate of a point is zero, then this point always lies:
a)
in I quadrant
b)
in II quadrant
c)
on x - axis
d)
on y - axis
35.
Say 'TRUE' or 'FALSE'
Point (1 , -1) and (-1 , 1) lies in the same quadrant
a)
TRUE
b)
FALSE
36.

What is the mirror image of (3 , 9) considering x-axis as mirror?

a)

(3 , -9)

b)

(9 , 3)

c)

(-9 , -3)

d)

(-3 , -9)

37.
The sign of x-coordinate of a point lying in the IV quadrant is 
a)
+
b)
-
c)
±
d)
None of the above
38.
The figure obtained by plotting the points (2 ,3), (-2, 3), (-2, -3) and (2, -3) is _________
a)
Trapezium
b)
Rectangle
c)
Square
d)
Rhombus
39.
What is the distance of the point (3, 4) from the origin?
a)
5
b)
4
c)
6
d)
7
40.
The distance between the points A(0 ,6) and B(0 , -2) is _____
a)
6
b)
4
c)
8
d)
16
41.
Mid point of line segment joining points (-2 ,4) and (6, 10) is _____
a)
(2, 5)
b)
(2 , 7)
c)
(3 , 7)
d)
(3, 8)
42.
a)
(3, 0)
b)
(0, 3)
c)
(0 , -3)
d)
(-3, 0)
43.
a)
14
b)
15
c)
16
d)
7
44.

What is the coordinates of point C?

a)

(0,6)

b)

(-4,3)

c)

(-8,0)

d)

(-6,-6)

45.
The four regions on the coordinate plane are called_________________
a)
origins
b)
ordered pairs
c)
quadrants
d)
coordinates
46.

A point lies on y-axis at a distance of 2 units from the x-axis .Its coordinates are (2,0)

a)

True

b)

False

47.

If (a ,8) lies on y-axis , then what is the value of a?

a)

8

b)

1

c)

0

d)

-8

48.

If abscissa is negative and ordinate is zero it will lie on third quadrant?

a)

True

b)

False

49.

What is the coordinate of Q?

a)

(2 , -2)

b)

(4 ,3)

c)

(-2 ,3)

d)

(-4 , -2)

50.

Point (0,-11) lies

a)

In the third quadrant

b)

On the negative y-axis

c)

On the positive x-axis

d)

On the fourth quadrant

51.

If abscissa is negative and ordinate is zero it will lie on third quadrant?

a)

True

b)

False

52.

Sign of abscissa and ordinate of a point in the fourth quadrant are respectively

a)

+ , -

b)

- , -

c)

- , +

d)

+ , +

53.

Point (0,-11) lies

a)

In the third quadrant

b)

On the negative y-axis

c)

On the positive x-axis

d)

On the fourth quadrant

54.

A point lies on y-axis at a distance of 2 units from the x-axis .Its coordinates are (2,0)

a)

True

b)

False

55.

Ordinate is positive and abscissa is negative then the point belongs to ................. quadrant.

a)

I

b)

II

c)

III

d)

IV

56.

Are the lines shown parallel. perpendicular, or neither?

a)

Parallel

b)

Perpendicular

c)

Neither

57.

The coordinates of origin are _______

a)

(0,1)

b)

(1,0)

c)

(0,0)

d)

(1,1)

58.

The other name of Y coordinate is.........

a)

abscissa

b)

ordinate

c)

Cartesian plane

d)

ordered pair

59.

Which axis runs horizontally (side to side)?

a)

x

b)

y

60.
Where is R on the coordinate plane?
a)
(4,6)
b)
(4,2)
c)
(6,4)
d)
(9,0)
61.

Lemon juice is ....................... in taste

a)

Sour

b)

Bitter

c)

Salty

d)

Sweet

62.

Which of the following is a Mineral Acid?

a)

Citric Acid

b)

Oxalic Acid

c)

Glycolic Acid

d)

Sulphuric Acid

63.

Fruits such as oranges , lemon etc, contain ........................... Acid

a)

Citric

b)

Lactic

c)

Ascorbic

d)

Acetic

64.

Which one of the following is not a neutral substance ?

a)

Glucose

b)

Sodium Hydroxide

c)

Urea

d)

Sugar

65.

Bases are generally ............................ to touch

a)

Hot

b)

Cold

c)

Soapy

d)

Rough

66.

Bases turn Red litmus to ...................

a)

Green

b)

Yellow

c)

Blue

d)

Black

67.

If the given solution neither changes the colour of the red litmus nor blue litmus paper , it is ..........................

a)

An Acid

b)

A base

c)

Neutral

d)

Colourless

68.

Hydrochloric Acid solution affect .......................... litmus paper

a)

Red

b)

Blue

c)

Both of these

d)

None of these

69.

Bases turn yellow turmeric paper to ...........................

a)

Green

b)

Red

c)

Pink

d)

Orange

70.

Methyl Orange is a

a)

Natural

b)

Human-Made

c)

Pink

d)

Colourless

71.

Which method is recommended to dilute an acid

a)

An acid is added to water

b)

Water added to acid

72.

The Substance which turns Blue litmus red is ......................

a)

Basic

b)

Acidic

c)

Neutral

d)

All of these

73.

Which of the following is a property of an Acid ?

a)

Sour taste

b)

Sweet Taste

c)

Bitter Taste

d)

Salty Taste

74.

Milk of magnesia contains .............................

a)

Sodium

b)

Potassium

c)

Magnesium

d)

Ammonium

75.

Manure is added , when the soil is too ...................................

a)

Acidic

b)

Basic

c)

Neutral

d)

None of these

76.
Plaster of Paris is made from
a)
Lime stone
b)
Slaked Lime
c)
Quick lime
d)
Gypsum
77.
Setting of Plaster of Paris takes place due to
a)
Oxidation
b)
Reduction
c)
Dehydration
d)
Hydration
78.
Washing soda has the formula
a)
Na2CO3.7H2O
b)
Na2CO3.10H2O
c)
Na2CO3.H2)
d)
Na2CO3
79.
BASE + ACID ----> SALT +?
a)
water
b)
oxygen
c)
hydrogen ion
d)
hydroxide ion
80.
What is the name of this ion: H3O+?
a)
helium ion
b)
hydrogen ion
c)
hepatic ion
d)
hydronium ion
81.

A drop of solution 'X' is placed on a strip of pH paper. A deep red colour is produced. The solution 'X' is

a)

NaOH

b)

HCl

c)

H2O

d)

Na2CO3

82.

Which of the following base is used in the manufacture of bleaching powder?

a)

Sodium hydroxide

b)

Calcium hydroxide

c)

Potassium hydroxide

d)

Magnesium hydroxide

83.

A colourless and odourless gas is liberated when hydrochloric acid is added to a solution of washing soda. The name of the gas is

a)

Carbon dioxide

b)

Nitrogen dioxide

c)

Sulphur dioxide

d)

Sulphur trioxide

84.

The compounds obtained on heating baking soda are

a)

Sulphur dioxide and sodium carbonate

b)

Sodium bicarbonate, water and carbon dioxide

c)

Sodium carbonate, water and carbon dioxide

d)

Hydrochloric acid and water

85.
A ___ is formed when an positive ion bonds with a negative ion.
a)
Acid
b)
base
c)
salt
d)
neutral ion
86.

What are the properties of acids?

a)

Acids have a salty taste and turn red litmus paper yellow

b)

Acids have a sour taste, turn blue litmus paper red, and react with metals to produce hydrogen gas.

c)

Acids have a bitter taste and turn blue litmus paper green

d)

Acids have a sweet taste and turn red litmus paper blue

87.

How do acids taste and feel?

a)

Sour and can cause a burning sensation

b)

Bitter and slimy

c)

Salty and grainy

d)

Sweet and cooling

88.

What are some common examples of acids?

a)

Citric acid, sulfuric acid, hydrochloric acid, and acetic acid

b)

Sodium hydroxide, potassium hydroxide, calcium hydroxide, and magnesium hydroxide

c)

Lactic acid, nitric acid, carbonic acid, and phosphoric acid

d)

Ammonia, bleach, vinegar, and baking soda

89.

What are the properties of bases?

a)

Bitter taste, slippery feel, and ability to turn red litmus paper blue

b)

No taste, dry texture, and ability to turn blue litmus paper yellow

c)

Sweet taste, slimy texture, and ability to turn red litmus paper green

d)

Sour taste, rough texture, and ability to turn blue litmus paper red

90.

How do bases feel and taste?

a)

Slippery and bitter

b)

Gritty and salty

c)

Rough and sweet

d)

Smooth and sour

91.

What are some common examples of bases?

a)

Bleach, window cleaner, dish soap

b)

Sodium hydroxide, potassium hydroxide, ammonia

c)

Hydrochloric acid, sulfuric acid, nitric acid

d)

Vinegar, lemon juice, orange juice

92.

What happens during a neutralization reaction?

a)

Carbon dioxide and water are formed

b)

Water and a salt are formed

c)

Hydrogen and a base are formed

d)

Oxygen and a metal are formed

93.

What are the products of a neutralization reaction?

a)

carbon dioxide and water

b)

sugar and water

c)

oil and vinegar

d)

salt and water

94.

Give an example of a neutralization reaction.

a)

Vinegar + Baking soda -> Carbon dioxide + Water

b)

Hydrochloric acid + Sodium hydroxide -> Sodium chloride + Water

c)

Sulfuric acid + Potassium hydroxide -> Potassium sulfate + Water

d)

Nitric acid + Calcium hydroxide -> Calcium nitrate + Water

95.

What does the pH scale measure?

a)

temperature

b)

density

c)

acidity or alkalinity

d)

weight

96.

What is the range of the pH scale for acids?

a)

1 to 8

b)

7 to 14

c)

0 to 10

d)

0 to 6.9

97.

What is the range of the pH scale for bases?

a)

1 to 7

b)

0 to 7

c)

7 to 14

d)

14 to 0

98.

What are indicators and how are they used?

a)

Substances that change color in the presence of acids or bases and are used to determine the pH of a solution.

b)

Substances that change color in the presence of metals and are used to determine the conductivity of a solution.

c)

Tools used in mathematics to represent numerical values and are used to calculate the volume of a solution.

d)

Chemicals that emit light when exposed to UV radiation and are used to measure the temperature of a solution.

99.

Give an example of an indicator.

a)

Ruler

b)

Litmus paper

c)

Pencil

d)

Calculator

100.

How do indicators help in determining the nature of a substance?

a)

By producing a foul smell when heated

b)

By emitting a sound when in contact with water

c)

By changing color in the presence of acids or bases

d)

By becoming heavier in the presence of oxygen

101.
Which of the following is a base?
a)
orange juice
b)
water
c)
vinegar
d)
dishwashing detergent
102.
If an acid is combined with a base of equal strength, the result will most likely be
a)
a neutral solution.
b)
a stronger acid.
c)
impossible to tell without testing the pH.
d)
a stronger base
103.
Pure water has a pH of 7. Pure water _______.
a)
is a base
b)
is a neutral substance
c)
could be either an acid or a base
d)
is an acid
104.
Which type of ion does a base produce when it is dissolved in water?
a)
oxide
b)
oxygen
c)
hydrogen
d)
hydroxide
105.

What is the meaning of the above hazard warning symbol?

a)

Corrosive

b)

Explosive

c)

Toxic

d)

Radioactive

106.

The pH of pure water

a)

5.6

b)

7.0

c)

8.1

d)

0.0

107.

Acid in our stomach:

a)

Hydrochloric acid

b)

Sulfuric acid

c)

Acetic acid

d)

Carbonic acid

108.

Acid in car battery:

a)

Hydrochloric acid

b)

Sulfuric acid

c)

Acetic acid

d)

Carbonic acid

109.
Tastes bitter.
a)
Acids
b)
Bases
c)
Salts
d)
All
110.
This image represents
a)
Neutralization reaction
b)
synthesis
c)
decompostion
d)
single displacement
111.

A substance is found to have the following characteristics:


Very bitter taste

Feels slippery to the touch

Produces OH- ions when dissolved in water


In what category would the substance be classified?

a)

acid

b)

base

c)

enzyme

d)

fatty acid

112.

HNO2

a)

a base

b)

a salt

c)

an acid

d)

an ionic compound

113.
Releases hydrogen in an aqueous solution.
a)
base
b)
strong base
c)
acid
d)
weak base
114.

KOH is ...

a)

an acid

b)

a base

c)

a salt

d)

an ionic compound

115.
Which of the following statements is correct?
a)
Blue litmus paper turns red when placed in a base.
b)
Red litmus paper turns blue when placed in a base.
c)
Blue litmus paper stays blue when placed in an acid.
d)
Red litmus paper stays red when placed in a base.
116.

What is the [H+] if the pH is 4.0?

a)

1.0 x 10-10 M

b)

1.0 x 10-4 M

c)

1.0 x 10-14 M

d)

1.0 x 10-7 M

117.

True or false: a neutral solution has equal amounts of H+ and OH-.

a)

True

b)

False

118.

NaOH may be found in drain cleaners and as a component of soaps. Is NaOH an acid or a base?

a)

Acid

b)

Base

c)

Neither (Neutral)

119.

HCl is found in household products, including some toilet bowl cleaners. Is HCl an acid or a base?

a)

Acid

b)

Base

c)

Neither (Neutral)

120.

Is pure water acidic, basic, or neutral?

a)

Acidic

b)

Basic

c)

Neutral

121.
hydrochloric acid
a)
HCl
b)
HClO
c)
H3ClO3
d)
HClO3
122.

sulfuric acid

a)

HSO3

b)

H2SO3

c)

H2SO4

d)

H3SO4

123.
How are metal oxides formed?
a)
When metals react with oxide.
b)
When metals react with water.
c)
When metals react with air.
d)
When metals react with oxygen.
124.
According to the pH range which substance is more acidic than lemon juice
a)
Hydrochloric acid
b)
cabbage
c)
milk
125.

Fruits such as oranges , lemon etc, contain ........................... Acid

a)

Citric

b)

Lactic

c)

Ascorbic

d)

Acetic

126.

Bases are generally ............................ to touch

a)

Hot

b)

Cold

c)

Soapy

d)

Rough

127.

Milk of magnesia contains .............................

a)

Sodium

b)

Potassium

c)

Magnesium

d)

Ammonium

128.

A substance has a pH value of 8. It is most likely to be what?

a)

Strong acid

b)

Weak acid

c)

Strong base

d)

Weak base

129.

Which list of salts are all insoluble in water?

a)

Lead sulfate, copper carbonate, silver chloride

b)

Copper sulfate, sodium carbonate, potassium chloride

c)

Sodium sulfate, ammonium carbonate, magnesium chloride

d)

Potassium sulfate, potassium carbonate, copper chloride

130.

Which of the following values would represent the pH of a strong base?

a)

1

b)

8

c)

7

d)

13

131.
An extremely strong acid would have a pH of...
a)
1
b)
7
c)
9
d)
14
132.
An extremely strong base would have a pH of...
a)
1
b)
7
c)
9
d)
14
133.
A neutral substance would have pH of...
a)
8
b)
7
c)
6
d)
14
134.
If a solution is neither acidic or basic it has a pH of _____________.
a)
1
b)
13
c)
6
d)
7
135.
Indicators change color in the presence of a(n) _______________.
a)
acid or base
b)
buffer
c)
water molecule
d)
ester
136.
A base has a ___________ taste.
a)
bland
b)
salty
c)
bitter
d)
sour
137.

Acid is?

a)

A substance that reacts to metals and carbonates, and has a Ph of below 7.

b)

Often used in drain cleaner.

c)

Something that can only be found in a lab

d)

A bitter tasting substance

138.

A base is

a)

A substance that feels slippery, has a higher Ph than 7, and is often used in drain cleaner.

b)

Has a Ph of below 7 and can react to metal and carbonates

c)

Is only found in a lab

d)

Something water can never be

139.

An indicator is?

a)

A lab manual or guide

b)

Something like litmus paper that can tell you if a substance is acidic or basic

c)

A PS4 game where you pretend to direct traffic

d)

Something only scientists in a lab can use

140.

Do acids and bases conduct electricity?

a)

Only acids conduct electricity

b)

Only bases conduct electricity

c)

Bases and acids conduct electricity

d)

Neither conduct electricity

141.

When you neutralize acid with a base you create

a)

a Salt and water

b)

You can not neutralize acid with a base

c)

You create carbon dioxide

d)

A moderate sized explosion

142.

Which of these taste sour?

a)

acids

b)

bases

c)

salts

143.

Which of these feel slippery?

a)

bases

b)

acids

c)

salts

144.

Which of these turn red litmus paper blue?

a)

acids

b)

bases

c)

salts

145.

The pH scale is used to determine the strength of

a)

acids and bases

b)

chemical bonds

c)

electrical charges

d)

particles in a solution

146.

Chemicals formed when an acid and a base combine.

a)

salts

b)

noble gases

c)

metalloids

d)

hydroxides

147.

How would you best describe your science class this year?

a)

awesome

b)

very strange

c)

dull

148.
what happens when a solution of  an acid is mixed with a solution of a base in a test tube?a
a)
temperature of the solution increases 
b)
temperature of the solution decreases
c)
temperature remains constant
d)
no reaction
149.
calcium phosphate is present in tooth enamel its nature is
a)
basic
b)
acidic 
c)
neutral
d)
amphoteric
150.
To protect tooth decay we are advised to brush our teeth regurlarly.The toothpaste is
a)
acidic
b)
neutral
c)
basic
d)
corrosive

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