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

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

1.

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

(iii) and (iv)

(i) and (ii)

(ii) and (iii)

(i) and (iv)

2.

Which of the following is true?

Aluminum is more reactive than Copper

All the above

Color of basic copper carbonate is green

Malachite is an ore of Copper

3.

The following metals exist in their native state:

All of these

Pt, Au, Ag

Ne, He, Ar

Fe, Ag, Au

4.

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

Calcium and phosphorus respectively

Sodium and phosphorus respectively

Phosphorus and sodium respectively

Magnesium and sodium respectively

5.

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

Solubility in water

High melting and boiling points

Electrical conductivity in solid state

Electrical conductivity in molten state

6.

Which statement is false?

Non metals have low melting point

Metals are Solid at room temperature except mercury

Non metals are good conductors of heat and electricity

Non metals are Occur as solid or gas

7.

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

Sonorous in nature

Dullness

Electrical conduction

Ductility

8.

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

Ductility

Conduction

Expansion

Malleability

9.

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

Zinc sulphate formed

Copper does not react sulphuric acid

Copper chloride formed

10.

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

(ii) and (iii)

(i) and (iv)

(i) and (ii)

(i) and (iii)

11.

Which of the following metals cannot be extracted using smelting

Fe

Al

Zn

Pb

12.

What happens when silicon reacts with oxygen?

Silicon phosphate

Silicon dioxide

Silicon nitrate

None of these

13.

An electrolytic cell consists of

(i) Positively charged cathode

(ii) Negatively charged anode

(iii) Positively charged anode

(iv) Negatively charged cathode

(iii) and (iv)

(i) and (ii)

(i) and (iii)

(ii) ad (iv)

14.

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)?

HNO3

HCl

All of these

H2SO4

15.

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

Sonorousity

Conductivity

Malleability

Ductility

16.

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

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

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

17.

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

Electrical conduction

Sonorous in nature

Ductility

Dullness

18.

What are the main impurities present with bauxite ore?

All of the above

Silica, Calcium carbonate

Silica, Iron oxide

Sulphur, Iron oxide

19.

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

High melting and boiling points

Electrical conductivity in solid state

Solubility in water

Electrical conductivity in molten state

20.

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

Iron (Fe)

Magnesium (Mg)

Calcium (Ca)

Sodium (Na)

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