PRACTICE TEST 2-Class 10 – Science -Chemistry -Chapter 3

Welcome to your Ncert - class 10- science - Chapter 3 – Metals and Non-metals 2

1.

Which one of the following properties is not generally exhibited by ionic compounds?

High melting and boiling points

Electrical conductivity in molten state

Solubility in water

Electrical conductivity in solid state

2.

Which of the following metals cannot be extracted using smelting

Zn

Pb

Al

Fe

3.

Which of the following property is generally not shown by metals (except some metals)?

Sonorous in nature

Ductility

Electrical conduction

Dullness

4.

Aluminium is used for making cooking utensils. Which of the following properties of aluminium are responsible for the same?

(i) Good thermal conductivity or good heat conduction

(ii) Good conduction of electricity

(iii) Ductility

(iv) High melting point

(i) and (ii)

(i) and (iv)

(ii) and (iii)

(i) and (iii)

5.

The property of metals by which they can be beaten in to thin sheets is called-

Malleability

Expansion

Conduction

Ductility

6.

What are the main impurities present with bauxite ore?

Sulphur, Iron oxide

Silica, Iron oxide

All of the above

Silica, Calcium carbonate

7.

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

Sodium (Na)

Iron (Fe)

Magnesium (Mg)

Calcium (Ca)

8.

Which element is stored in water and which element is stored in kerosene?

Sodium and phosphorus respectively

Calcium and phosphorus respectively

Magnesium and sodium respectively

Phosphorus and sodium respectively

9.

What happens when dilute sulphuric acid is poured on a copper plate?

Copper does not react sulphuric acid

Zinc sulphate formed

Copper chloride formed

10.

Match the substances given in Column A with their uses given in Column B.

Column A	Column B
(i) Gold	(a) Thermometers
(ii) Iron	(b) Electric wire
(iii) Aluminium	(c) Wrapping food
(iv) Carbon	(d) Jewellery
(v) Copper	(e) Machinery
(vi) Mercury	(f) Fuel

(i) - d, (ii) - e, (iii) - c, (iv) - f, (v) - b, (vi) - a

(i) - c, (ii) - e, (iii) - a, (iv) - f, (v) - d, (vi) - b

(i) - d, (ii) - f, (iii) - c, (iv) - a, (v) - b, (vi) - e

(i) - b, (ii) - d, (iii) - c, (iv) - e, (v) - a, (vi) - f

11.

Generally metals react with acids to give salt and hydrogen gas. Which of the following acids does not give hydrogen gas on reacting with metals (except Mn and Mg)?

All of these

HCl

H2SO4

HNO3

12.

Which of the following property is generally not shown by metals?

Electrical conduction

Dullness

Ductility

Sonorous in nature

13.

The following metals exist in their native state:

Fe, Ag, Au

Ne, He, Ar

Pt, Au, Ag

All of these

14.

Which of the following is true?

All the above

Malachite is an ore of Copper

Aluminum is more reactive than Copper

Color of basic copper carbonate is green

15.

The ability of metals to be drawn into thin wire is known as

Ductility

Conductivity

Malleability

Sonorousity

16.

Which statement is false?

Non metals are good conductors of heat and electricity

Metals are Solid at room temperature except mercury

Non metals have low melting point

Non metals are Occur as solid or gas

17.

Which one of the following properties is not generally exhibited by ionic compounds?

Electrical conductivity in molten state

High melting and boiling points

Electrical conductivity in solid state

Solubility in water

18.

What happens when calcium is treated with water?

(i) It does not react with water

(ii) It reacts violently with water

(iii) It reacts less violently with water

(iv) Bubbles of hydrogen gas formed stick to the surface of calcium

(ii) and (iii)

(i) and (ii)

(iii) and (iv)

(i) and (iv)

19.

An electrolytic cell consists of

(i) Positively charged cathode

(ii) Negatively charged anode

(iii) Positively charged anode

(iv) Negatively charged cathode

(i) and (ii)

(ii) ad (iv)

(iii) and (iv)

(i) and (iii)

20.

What happens when silicon reacts with oxygen?

Silicon nitrate

None of these

Silicon phosphate

Silicon dioxide

Chapter 1 - Chemical Reaction and Equation

chapter 2- Acids, Bases and Salt

Chapter 3 – Metals and Non-metals

Chapter 4 – Carbon and its Compounds

Assertion and Reason chemistry

CASE BASED QUESTIONS

Curriculum

Ncert-Class 10 Science - Chemistry

Chapter 1 - Chemical Reaction and Equation

chapter 2- Acids, Bases and Salt

Chapter 3 – Metals and Non-metals

Chapter 4 – Carbon and its Compounds

Assertion and Reason chemistry

CASE BASED QUESTIONS

PRACTICE TEST 2-Class 10 – Science -Chemistry -Chapter 3 – Metals and Non-metals 2