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PIYUSH TEST MCQ

Total questions: 84

Worksheet time: 43mins

Name
Class
Date
1.

The shape of the following which can be changed only by applying external force

a)

Steam

b)

Wood

c)

Water

d)

Carbon dioxide

2.

The proportions of elements in a compound

a)

Varies widely

b)

Varies from source to source

c)

Varies only a little

d)

Does not vary

3.

Interparticle force of attraction between the particles of same type is also known as

a)

Active force

b)

Cohesive force

c)

Internal force

d)

External force

4.

The interparticle space is maximum in

a)

Wood

b)

Water

c)

Milk

d)

Oxygen

5.

Which of the following is least compressible

a)

Liquid

b)

Gas

c)

Solid

d)

Hydrogen

6.

Which is not a solid

a)

Wood

b)

Cork

c)

Helium

d)

Lid

7.

Which is highly compressible and can flow in any direction

a)

Solid

b)

Liquid

c)

Gas

d)

All the above

8.

Which has a definite shape but cannot flow

a)

Solid

b)

Liquid

c)

Gas

d)

All the above

9.

Particles in a solid are tightly packed because of

a)

Strong inter particle space

b)

Weak inter particle space

c)

Equal medium

d)

None of the above

10.

Which among the following will take the shape of the container

a)

Milk

b)

Honey

c)

Juice

d)

All the above

11.

Smashing cookies

a)

Physical

b)

Chemical

12.

Frying eggs

a)

Physical

b)

Chemical

13.

Slicing apples

a)

Physical

b)

Chemical

14.

Baking a cake

a)

Physical

b)

Chemical

15.

A firework display

a)

Physical

b)

Chemical

16.

Food digestion

a)

Physical

b)

Chemical

17.

The water cycle

a)

Physical

b)

Chemical

18.

Melting butter

a)

Physical

b)

Chemical

19.

Burning wood

a)

Physical

b)

Chemical

20.

Getting a haircut

a)

Physical

b)

Chemical

21.

Chopping food

a)

Physical

b)

Chemical

22.

Mixing Mentos and Coke

a)

Physical

b)

Chemical

23.

Making popcorn

a)

Physical

b)

Chemical

24.

Smashing a can

a)

Physical

b)

Chemical

25.

A bike rusts

a)

Physical

b)

Chemical

26.

This is a type of change in which matter remains the same.

a)

Physical

b)

Chemical

27.

This is a change in which matter changes to a different type.

a)

Physical

b)

Chemical

28.

How many different atoms

are there in a compound?

a)

0

b)

1

c)

2 or more

d)

-1

29.

Which of the following does not describe elements?

a)

All particles are alike

b)

Can be broken down into simpler substances

c)

Have unique sets of properties

d)

Join together to form compounds

30.

Which of the following best describes chicken noodle soup

a)

element

b)

compound

c)

mixture

d)

solution

31.

What is the chemical formula for water?

a)

NaCl

b)

CO2

c)

NH3

d)

H2O

32.

Example of a homogeneous mixture

a)

sweet tea

b)

pizza

c)

guacamole

d)

helium

33.

What is a mixture?

a)

an atom

b)

2 or more substances that are together in the same place, but their atoms are not chemically bonded

c)

a substance that cannot be broken down into any other substances by physical or chemical means

d)

A substance made of 2 or more elements that are chemically

combined in a set ratio

34.

The smallest unit of an element that has all the basic properties of the element is called what?

a)

compound

b)

mixture

c)

element

d)

atom

35.

Which of the following substances can be separated into simpler substances only by chemical means: sodium, salt water, water, gold

a)

sodium

b)

salt water

c)

water

d)

gold

36.

What is the atomic number?

a)

8

b)

15.999

c)

16

d)

?

37.

How would you separate sand and water?

a)

boil

b)

filter

c)

magnetic

d)

put it in the fridge

38.
Examples are milk and gasoline.
a)
elements
b)
mixtures
c)
compounds
39.
What is H2SO4 
 made up of?
a)
2 hydrogen, 1 sulfur, 4 oxygen
b)
1 hydrogen, 2 sulfur, 4 oxygen
c)
2 hydrogen & 4 sodium
d)
1 hydrogen & 6 sodium
40.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Elements
d)
Mixture of Compounds
41.
A mixture that appears to be evenly mixed throughout:
a)
an atom
b)
a compound
c)
a homogeneous mixture
d)
a heterogeneous mixture
42.
You are eating a pizza. What type of mixture are you consuming?
a)
homogeneous
b)
heterogeneous
c)
pure substance
d)
The Periodic Table
43.

Subatomic particles with a negative charge

a)

Electrons

b)

Neutrons

c)

Protons

d)

Quarks

44.
Subatomic particles with a positive charge
a)
neutrons
b)
atomic mass
c)
protons
d)
isotopes
45.
Measure mainly of the nuclear particles: protons + neutrons
a)
Subatomic Particles
b)
Atomic Number
c)
Atomic Mass
d)
Gluons
46.
Value representing the number of protons in an element
a)
Atomic Mass
b)
Mass Number
c)
Valence Electrons
d)
Atomic Number
47.
Subatomic particles that are neutral in charge
a)
Neutrons
b)
Protons
c)
Nucleus 
d)
Electrons
48.
A tiny but very dense, positively charged portion of the atom that holds most of the atomic mass
a)
Electron Shells
b)
Orbitals
c)
Electron Cloud
d)
Nucleus
49.
Arrangement of elements organized by atomic number
a)
Electron Cloud 
b)
Periodic Table 
c)
Electron Configuration
d)
None of these
50.
The only element with no neutrons in its nucleus.
a)
Oxygen
b)
Helium 
c)
Hydrogen
d)
Lithium
51.

The smallest particle of an element.

a)

Element

b)

Molecule

c)

Atom

52.

What is one way Neutrons are different from electrons?

a)

they both are negative

b)

neutrons have no charge, while electrons have a negative charge

c)

Both are in the nucleus( center of atom)

d)

Electrons are inside nucleus and neutrons are outside the nucleus.

53.

What is the atomic number?

a)

35

b)

18

c)

17

d)

52

54.

How many protons and electrons does this element have?

a)

35

b)

18

c)

17

d)

52

55.

How many neutrons does Chlorine have?

a)

18

b)

17

c)

35

d)

52

56.

What is the atomic mass of Neon?

a)

10

b)

20

c)

30

57.

How many neutrons does calcium have?

a)

20

b)

40

c)

60

d)

0

58.

What is the atomic mass of Arsenic?

a)

33

b)

107

c)

75

59.
What number indicates the nucleus?
a)
1
b)
2
c)
3
d)
4
60.
What number indicates an electron?
a)
1
b)
2
c)
3
d)
4
61.
All matter is made of 
a)
energy 
b)
atoms 
c)
air
d)
chemistry
62.
Referring to the table, what is the relative mass of a proton?
a)
10
b)
1
c)
0.1
d)
0.01
63.

The valency of sulphate ion is

a)

1

b)

2

c)

-1

d)

-2

64.

Aluminium is an element in the periodic table that always exists as a diatomic molecule

a)

True

b)

False

c)

I dont know

d)

will let you know

65.

Balance the following equation: C3H8 + O2 --> CO2+ H2O

a)

1,2,3,4

b)

1,3,5,4

c)

1,5,3,4

d)

1,4,5.3

66.

valency of lead in plumbous oxide is (a)  

67.

As per the rules for naming a compound, a compound ending with "ite" will contain __________ oxygen atoms

a)

1

b)

2

c)

3

d)

4

68.

The prefix "hypo" is added to the name of a compound if it has 1 oxygen less than the compounds ending in ----------

a)

ite

b)

ate

c)

thio

d)

per

69.

variable valency is exhibited by the following atoms

a)

copper, iron, sodium, magnesium, lead, zinc

b)

copper, iron, lead, tin, mercury, arsenic

c)

copper, iron, lead, tin, sodium, magnesium

d)

copper, iron, tin, sodium, aluminium

70.

FeCl3 + xNaOH → Fe(OH)3 + 3NaCl what is x?

a)

2

b)

1

c)

3

d)

4

71.

4Al + 3O2 → xAl2O3 what is X?

a)

1

b)

2

c)

3

d)

4

72.

Reduction is _________ of electrons

a)

loss

b)

gain

c)

sharing

d)

mutual distribution

73.

out of sodium sulphide and sodium sulphate which one contains oxygen in the molecule

a)

sodium sulphide

b)

sodium sulphate

c)

none of them

d)

both of them

74.

Which of the following reactions is not balanced ?

a. 2NaHCO3⟶Na2CO3+H2O+CO2

b. 2C4H10+12O2⟶8CO2+10H2O

c. 2Al+6H2O⟶2Al(OH)3+3H2

d. 4NH3+5O2⟶4NO+6H2O

a)

a, b and c

b)

only c

c)

only b

d)

a and c

75.

The most reactive metal is

a)

iron

b)

copper

c)

silver

d)

zinc

76.

which of the following is the most ductile metal?

a)

silver

b)

gold

c)

copper

d)

sodium

77.

which of these is the most reactive metal?

a)

magnesium

b)

platinum

c)

sodium

d)

gold

78.

All materials show the property of malleability except

a)

iron

b)

graphite

c)

aluminium

d)

silver

79.

The property of metal by which it can be drawn into wires is

a)

sonority

b)

ductility

c)

malleability

d)

conductivity

80.

which non metal catches fire if kept in open

a)

sodium

b)

calcium

c)

phosphorus

d)

uranium

81.

The solution of ash magnesium ribbon is-------in nature.

a)

acidic

b)

neutral

c)

basic

d)

none of these

82.

which of these metals can not displace hydrogen from a dilute acid?

a)

lead

b)

zinc

c)

silver

d)

nickel

83.

The sulphuric acid turns the blue litmus paper into:

a)

yellow

b)

green

c)

white

d)

none of these

84.

Gold normally occurs in nature:

a)

in free state

b)

as carbonates are

c)

assulphide are

d)

as sulphate are

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