Free Printable Sankalp

1.

The correct pair of best conductors of heat are

a)

Alluminium and Silver

b)

Copper and Silver

c)

Silver and Zinc

d)

Zinc and Magnesium

2.

Lead and Mercury are

a)

Best conductors of heat

b)

Bad conductors of heat

c)

Poor conductors of heat

d)

Bad conductors of electricity

3.

Elements do not react with oxygen even at high temperature are

a)

Gold and Silver

b)

Magnesium and Alluminium

c)

Sodium and Potassium

d)

Copper and Zinc

4.

Zn, Fe, Al and Mg. When we arrange these elements in the ascending order of their

reactivity series we get

a)

Mg < Al < Zn < Fe

b)

Al < Mg < Fe < Zn

c)

Zn < Al < Mg < Fe

d)

Fe < Zn < Al < Mg

5.

Hydrogen gas is not liberated when a metal reacts with HNO₃. This is because

HNO₃ is a

a)

Weak oxidizing agent

b)

Strong oxidizing agent

c)

Weak reducing agent

d)

Strong reducing agent

6.

Alloys are the

a)

Heterogenous mixture of metals and non-metals

b)

Heterogenous mixture of two or more metals

c)

Homogenous mixture of metals and non-metals

d)

Homogenous mixture of two or more non-metals

7.

Identify the correct group of soft metals from the following

a)

Sodium, Alluminium and Copper

b)

Sodium, Potassium and Lithium

c)

Copper, Manganese and Magnesium

d)

Zinc, Barium and Lithium

8.

Observe the given information with respect to some elements and choose the correct name of the elements

Elements A B C D

Electrons K 2 2 2 2

L 8 8 6 8

M 1 8 0 4

N 0 1 0 0

a)

A is Silicon, B is Sodium, C is Potassium

and D is Oxygen

b)

A is Potassium, B is Oxygen, C is Sodium

and D is Silicon

c)

A is Oxygen, B is Silicon, C is Potassium and

D is Sodium

d)

A is Sodium, B is Potassium, C is Oxygen and D is Silicon

9.

NaCl and CuSO₄ compounds have high melting and boiling points. This is because

a)

These are easily soluble in water and makes aqueous solutions

b)

A considerable amount of energy is required to break the strong inter-ionic bond

c)

They form positive and negative ions by the process of ionization

d)

Their ions move freely and conduct electricity

10.

The strong force of attraction between the positive and negative ions of ionic

compounds shows their

a)

Hardness

b)

Solubility

c)

Conduction of electricity

d)

Conduction of heat

11.

Non-metals come in only a few colours and are mostly silver-grey.

a)

True

b)

False

12.

At room temperature, a non-metal, such as oxygen (O), can be invisible.

a)

True

b)

False

13.

The handle in this picture is covered in a ___.

a)

metal

b)

non-metal

14.

Non-metals are ___ conductors of heat.

a)

Good

b)

Poor / Bad

15.

If iron nails are added to zinc sulphate solution ,the possible observation can be

a)

No reaction takes place

b)

A silvery white coating appears on iron nails

c)

A black coating appears on iron nails

d)

A pale green colour of solution is seen

e)

option 1

16.

Which of these is a property of metals?

a)

It's malleable

b)

It can't conduct electricity

c)

They are used in food

d)

It's very brittle

17.

What is just so typical of NON-metals?

a)

They don't know what colours go well together.

b)

Malleable.

c)

Form acidic oxides.

d)

Good conductors of electricity.

e)

High melting points.

18.

A metal high in the reactivity series.....

a)

Forms unstable compounds.

b)

Can be obtained by the reduction of the ore with the carbon.

c)

Readily gains electrons.

d)

Burns to form basic oxides.

e)

Reacts readily with cold water to form Hydrogen.

19.

Which of the following is true of all metals?

a)

They react with acids to form Hydrogen

b)

They are denser than water

c)

They conduct electricity

d)

They're silver in colour.

20.

what temperature does mercury melt at ?

a)

1200 Celsius

b)

120 degrees Fahrenheit

c)

12 degrees Celsius

d)

room temperature

21.

Where are the non-metallic elements found in the periodic table?

a)

In the middle

b)

In the top rows

c)

On the left-hand side

d)

On the right-hand side

22.

A metal which occur in free state

a)

gold

b)

zinc

c)

lead

d)

calcium

23.

Metalloids _____________

a)

have no properties of metals.

b)

have no properties of nonmetals.

c)

have some properties of both metals and nonmetals.

d)

none of the above

24.

Which of these elements is unlikely to be found native?

a)

gold

b)

platinum

c)

aluminium

d)

silver

25.

What is a conductor?

a)

Heat and electricity move through them easily

b)

able to be drawn into a wire

c)

able to be hammered into different shapes

d)

shiny

26.

Where are metalloids located on the periodic table?

a)

to the right of nonmetals

b)

along the zig-zag line

c)

to the left of the zig-zag line

d)

to the right of the zig-zag line

27.

A student is examining the physical properties of a sample. The sample is malleable, but does not conduct electricity nor have luster. This sample would be a...

a)

metal

b)

nonmetal

c)

metalloid

28.

If a student observes a silvery solid that is malleable, good conductor, and ductile it is a...

a)

nonmetal

b)

metal

c)

metalloid

29.

Which type of elements are used in computer chips, lasers, and transistors?

a)

Metals

b)

Nonmetals

c)

Metalloids

d)

Metals and Metalloids

30.

When an object changes shape when struck by a hammer.

a)

luster

b)

malleable

c)

brittleness

d)

ductile

31.

What is just so typical of NON-metals?

a)

They don't know what colours go well together.

b)

Malleable.

c)

Form acidic oxides.

d)

Good conductors of electricity.

e)

High melting points.

32.

A metal high in the reactivity series.....

a)

Forms unstable compounds.

b)

Can be obtained by the reduction of the ore with the carbon.

c)

Readily gains electrons.

d)

Burns to form basic oxides.

e)

Reacts readily with cold water to form Hydrogen.

33.

A metal which occur in free state

a)

gold

b)

zinc

c)

lead

d)

calcium

34.

When an object changes shape when struck by a hammer.

a)

luster

b)

malleable

c)

brittleness

d)

ductile

35.

Which type of elements are used in computer chips, lasers, and transistors?

a)

Metals

b)

Nonmetals

c)

Metalloids

d)

Metals and Metalloids

36.

Some students conducted a laboratory investigation to learn more about the physical properties of different elements. They observed four samples and recorded their observations in the table . Based on these observations, which sample is most likely a nonmetal?

a)

Sample 1

b)

Sample 2

c)

Sample 3

d)

Sample 4

37.

Describe what luster means

a)

How an object reflects light

b)

How soft an object is

c)

If an object floats

d)

If an object can be dug out of the earth.

38.

By looking at the element illustrated here, how might you classify it by appearance?

a)

Metal

b)

Non-Metal

c)

Metalloid

39.

This picture illustrates copper's

a)

brittleness

b)

malleability

c)

ductility

40.

What is the formula for aluminum fluoride?

a)

AlF

b)

Al₂F₃

c)

AlF₃

d)

Al₃F₂

41.

A chemical bond resulting from the electrostatic attraction between positive and negative ions is called a(n)

a)

covalent bond.

b)

ionic bond.

c)

charged bond.

d)

dipole bond.

42.

If my charge becomes 2+ what does that say about me?

a)

I am stealing 2 electrons

b)

I am losing 2 electrons

c)

I am in period 2

d)

I have an atomic # of 2

43.

If I gain electrons I become

a)

Positive because I've added to my atom

b)

negative because I've added electrons

c)

same because i'm balanced

d)

equal because now I have electrons

44.

The name for CrN:

a)

Chromium nitride

b)

Chromium (I) nitride

c)

Chromium (III) nitride

d)

Chromium nitride (III)

45.

If an element has 3 valence electrons, what charge will likely form on its ion ?

a)

+3

b)

+5

c)

-3

d)

-5

46.

Potassium (K), an alkali metal, and magnesium (Mg), an alkaline earth metal, both combine readily with bromine (Br), a halogen. What compound will each element (K and Mg) most likely form with bromine?

a)

KBr and Mg₂Br

b)

KBr and MgBr

c)

K₂Br and Mg₂Br

d)

KBr and MgBr₂

47.

Unknown element W has 2 valence electrons. Unknown element X has 7 valence electrons. Which formula shows the most likely outcome when elements W and X react?

a)

WX

b)

WX₂

c)

W_2X

d)

W₂X₂

48.

What is the formula for copper(I) sulfate?

a)

CuSO₃

b)

CuSO4

c)

Cu₂SO₃

d)

Cu₂SO4

49.

Amphoteric oxides react with both acids and alkali to form salt and water.Pick the amphoteric oxide

a)

Aluminium oxide

b)

calcium oxide

c)

zinc oxide

d)

Both aluminium and zinc oxide

50.

The metal that will release hydrogen gas on reacting with Dilute nitric acid will be:

a)

Sodium

b)

Iron

c)

Magnesium

d)

Zinc

51.

Which type of elements are used in computer chips, lasers, and transistors?

a)

Metals

b)

Nonmetals

c)

Metalloids

d)

Metals and Metalloids

52.

Identify the correct group of soft metals from the following

a)

Sodium, Alluminium and Copper

b)

Sodium, Potassium and Lithium

c)

Copper, Manganese and Magnesium

d)

Zinc, Barium and Lithium

53.

Zn, Fe, Al and Mg. When we arrange these elements in the ascending order of their

reactivity series we get

a)

Mg < Al < Zn < Fe

b)

Al < Mg < Fe < Zn

c)

Zn < Al < Mg < Fe

d)

Fe < Zn < Al < Mg

54.

Where are the non-metallic elements found in the periodic table?

a)

In the middle

b)

In the top rows

c)

On the left-hand side

d)

On the right-hand side

55.

Which of the following is a property of a non-metal?

a)

Conducts electricity and heats well

b)

Can be hammered into thin sheets

c)

Is brittle and breaks easily

d)

Has a shiny, metallic luster

56.

The list which contains only metals is .......

a)

aluminium, copper, nitrogen

b)

iron, oxygen, hydrogen

c)

iron, silver, aluminium

d)

iron, sulphur, copper

57.

_____ is used in vulcanization of rubber

a)

Sodium

b)

Chlorine

c)

Sulphur

d)

Iodine

58.

_______ are used in match sticks heads

a)

Nickel and Phosphorus

b)

Phosphorus and Neon

c)

Gold and Sulfur

d)

Phosphorus and Sulfur

59.

The solution of ash of magnesium ribbon is

a)

acidic

b)

basic

c)

neutral

d)

all of these

60.

Which of the following metal is generally extracted by electrolysis ?

a)

Zn

b)

Al

c)

Fe

d)

Cu

61.

Amphoteric oxides react with both acids and alkali to form salt and water. Pick the amphoteric oxide (s)

a)

Aluminium oxide

b)

calcium oxide

c)

zinc oxide

d)

Both aluminium and zinc oxide

62.

Of these, the metals which occur in free state as well as combined state are

a)

Na, Mg

b)

Mg, Au

c)

Zn, K

d)

Cu, Ag

63.

Which of the following is not a metalloid?

a)

Rhenium

b)

Germanium

c)

Tellurium

d)

Silicon

64.

The colour of PbO₂ is

a)

Dark Brown

b)

Yellow

c)

White

d)

Light Blue

65.

Select the correct statement:

a)

All ores are minerals

b)

All minerals are ores

66.

Reaction between X and Y forms compound Z. X loses electron and Y gains electron. Which of the following properties is not shown by Z?

a)

Has high melting point

b)

Has low melting point

c)

Conducts electricity in molten state

d)

Occurs as solid

67.

The electronic configurations of three ele¬ments X, Y and Z are X — 2, 8; Y — 2, 8, 7 and Z — 2, 8, 2. Which’of the following is correct?

a)

X is a metal

b)

Y is a metal

c)

Z is a non-metal

d)

Y is a non-metal and Z is a metal

68.

Which one of the following metals do not react with cold as well as hot water?

a)

Na

b)

Ca

c)

Mg

d)

Fe

69.

Which of the following oxide(s) of iron would be obtained on prolonged reaction of iron with steam?

a)

FeO

b)

Fe2O3

c)

Fe3O4

d)

Fe2O3 and Fe3O4

70.

Which of the following are not ionic compounds?

(i) KCl

(ii) HCl

(iii) CCl4

(iv) NaCl

a)

(i) and (ii)

b)

(ii) and (iii)

c)

(iii) and (iv)

d)

(i) and (iii)

71.

Which one of the following four metals would be displaced from the solution of its salts by other three metals ?

a)

Mg

b)

Ag

c)

Zn

d)

Cu

72.

Although metals form basic oxides, which of the following metals form an amphoteric oxide ?

a)

Na

b)

Ca

c)

Al

d)

Cu

73.

Al₂O₃ + 2NaOH → …… + H₂O

a)

Al(OH)₃

b)

Na₂O

c)

NaAlO₂

d)

AlNaO₂

74.

Which of the following metals catch fire on reaction with air?

a)

Magnesium

b)

Manganese

c)

Potassium

d)

Calcium

75.

Metals, except Al and Zn, react with oxygen to form _______ oxides.

a)

acidic

b)

neutral

c)

amphoteric

d)

basic

Sankalp

Total questions: 75

Worksheet time: 1hrs 3mins

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