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?

Electrical conductivity in solid state

High melting and boiling points

Electrical conductivity in molten state

Solubility in water

2.

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)

3.

Which of the following metals cannot be extracted using smelting

Pb

Al

Zn

Fe

4.

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

Sodium (Na)

Iron (Fe)

Calcium (Ca)

Magnesium (Mg)

5.

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

Copper does not react sulphuric acid

Zinc sulphate formed

Copper chloride formed

6.

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

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

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

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

7.

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)?

H2SO4

All of these

HNO3

HCl

8.

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

Calcium and phosphorus respectively

Phosphorus and sodium respectively

Magnesium and sodium respectively

Sodium and phosphorus respectively

9.

Which statement is false?

Metals are Solid at room temperature except mercury

Non metals have low melting point

Non metals are Occur as solid or gas

Non metals are good conductors of heat and electricity

10.

Which of the following is true?

Malachite is an ore of Copper

Aluminum is more reactive than Copper

Color of basic copper carbonate is green

All the above

11.

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

Conductivity

Malleability

Ductility

Sonorousity

12.

What happens when silicon reacts with oxygen?

Silicon dioxide

None of these

Silicon nitrate

Silicon phosphate

13.

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

Electrical conductivity in molten state

Electrical conductivity in solid state

Solubility in water

High melting and boiling points

14.

The following metals exist in their native state:

Ne, He, Ar

Fe, Ag, Au

All of these

Pt, Au, Ag

15.

What are the main impurities present with bauxite ore?

Silica, Calcium carbonate

Sulphur, Iron oxide

All of the above

Silica, Iron oxide

16.

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

Ductility

Sonorous in nature

Dullness

Electrical conduction

17.

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

Electrical conduction

Dullness

Sonorous in nature

Ductility

18.

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)

(i) and (iii)

(ii) and (iii)

19.

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

Expansion

Malleability

Conduction

Ductility

20.

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

(i) and (iv)

(iii) and (iv)

(i) and (ii)

(ii) and (iii)

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