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

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

1.

An electrolytic cell consists of

(i) Positively charged cathode

(ii) Negatively charged anode

(iii) Positively charged anode

(iv) Negatively charged cathode

(i) and (iii)

(ii) ad (iv)

(i) and (ii)

(iii) and (iv)

2.

Which of the following metals cannot be extracted using smelting

Pb

Zn

Fe

Al

3.

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)

(ii) and (iii)

(i) and (ii)

4.

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

Copper chloride formed

Zinc sulphate formed

Copper does not react sulphuric acid

5.

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

Dullness

Electrical conduction

Ductility

Sonorous in nature

6.

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

H2SO4

HCl

All of these

7.

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

Sonorous in nature

Dullness

Ductility

Electrical conduction

8.

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

9.

The following metals exist in their native state:

All of these

Ne, He, Ar

Pt, Au, Ag

Fe, Ag, Au

10.

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

Sodium (Na)

Calcium (Ca)

Magnesium (Mg)

Iron (Fe)

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 (iv)

(ii) and (iii)

(i) and (ii)

(i) and (iii)

12.

What are the main impurities present with bauxite ore?

Sulphur, Iron oxide

Silica, Calcium carbonate

All of the above

Silica, Iron oxide

13.

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

Ductility

Malleability

Conduction

Expansion

14.

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

Electrical conductivity in solid state

Solubility in water

High melting and boiling points

Electrical conductivity in molten state

15.

Which statement is false?

Non metals are good conductors of heat and electricity

Non metals have low melting point

Metals are Solid at room temperature except mercury

Non metals are Occur as solid or gas

16.

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

Phosphorus and sodium respectively

Calcium and phosphorus respectively

Sodium and phosphorus respectively

Magnesium and sodium respectively

17.

What happens when silicon reacts with oxygen?

Silicon nitrate

Silicon dioxide

None of these

Silicon phosphate

18.

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

19.

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

Conductivity

Sonorousity

Malleability

Ductility

20.

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

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

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