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

Calcium and phosphorus respectively

Magnesium and sodium respectively

Sodium and phosphorus respectively

Phosphorus and sodium respectively

2.

Which of the following metals cannot be extracted using smelting

Fe

Pb

Zn

Al

3.

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

High melting and boiling points

Solubility in water

Electrical conductivity in solid state

Electrical conductivity in molten state

4.

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

Electrical conductivity in solid state

High melting and boiling points

Solubility in water

Electrical conductivity in molten state

5.

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

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

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

6.

The following metals exist in their native state:

Ne, He, Ar

Fe, Ag, Au

All of these

Pt, Au, Ag

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)?

All of these

H2SO4

HNO3

HCl

8.

Which statement is false?

Non metals are good conductors of heat and electricity

Non metals are Occur as solid or gas

Non metals have low melting point

Metals are Solid at room temperature except mercury

9.

What are the main impurities present with bauxite ore?

Sulphur, Iron oxide

Silica, Calcium carbonate

All of the above

Silica, Iron oxide

10.

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

Expansion

Malleability

Ductility

Conduction

11.

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)

12.

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

Ductility

Electrical conduction

Sonorous in nature

Dullness

13.

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)

(ii) and (iii)

(i) and (ii)

(i) and (iv)

14.

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

Sodium (Na)

Calcium (Ca)

Iron (Fe)

Magnesium (Mg)

15.

An electrolytic cell consists of

(i) Positively charged cathode

(ii) Negatively charged anode

(iii) Positively charged anode

(iv) Negatively charged cathode

(ii) ad (iv)

(iii) and (iv)

(i) and (ii)

(i) and (iii)

16.

Which of the following is true?

Aluminum is more reactive than Copper

Malachite is an ore of Copper

All the above

Color of basic copper carbonate is green

17.

What happens when silicon reacts with oxygen?

None of these

Silicon dioxide

Silicon phosphate

Silicon nitrate

18.

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

Sonorousity

Malleability

Ductility

Conductivity

19.

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

Sonorous in nature

Dullness

Electrical conduction

Ductility

20.

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

Copper chloride formed

Copper does not react sulphuric acid

Zinc sulphate formed

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