NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 3 - Metals and Non-Metals>Long Answer Type Questions>Q 62

EASY

10th CBSE

IMPORTANT

Earn 100

Draw a neat and well labelled diagram for electrolytic refining of copper.

Important Questions on Metals and Non-Metals

EASY

10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 3 - Metals and Non-Metals>Multiple Choice Questions (MCQs)>Q 2

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

EASY

10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 3 - Metals and Non-Metals>Multiple Choice Questions (MCQs)>Q 8

The composition of aqua-regia is

EASY

10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 3 - Metals and Non-Metals>Multiple Choice Questions (MCQs)>Q 10

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

EASY

10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 3 - Metals and Non-Metals>Multiple Choice Questions (MCQs)>Q 11

Which of the following metals exist in their native state in nature?

(i) $Cu$

(ii) $Au$

(iii) $Zn$

(iv) $Ag$

EASY

10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 3 - Metals and Non-Metals>Multiple Choice Questions (MCQs)>Q 13

Silver articles become black on prolonged exposure to air. This is due to the formation of

MEDIUM

10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 3 - Metals and Non-Metals>Long Answer Type Questions>Q 63

Of the three metals

X, Y

and

Z, X

reacts with cold water,

Y

with hot water and

Z

with steam only. Identify

X, Y

and

Z

and also arrange them in order of increasing reactivity.

MEDIUM

10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 3 - Metals and Non-Metals>Long Answer Type Questions>Q 64

An element

A

burns with golden flame in air. It reacts with another element

B

, atomic number

17

to give a product

C

. An aqueous solution of product

C

on electrolysis gives a compound

D

and liberates hydrogen. Identify

A, B, C

and

D

. Also write down the equations for the reactions involved.

HARD

10th CBSE

IMPORTANT

NCERT EXEMPLAR PROBLEMS-SOLUTIONS SCIENCE Class X>Chapter 3 - Metals and Non-Metals>Long Answer Type Questions>Q 65

Two ores

A

and

B

were taken. On heating, ore

A

gives

{CO}_{2}

whereas, ore

B

gives

{SO}_{2}

. What steps will you take to convert them into metals?