Write a brief note on the roasting.

Important Questions on Metals and Non-metals

EASY

10th CBSE

IMPORTANT

Eduwiser's CBSE Chemistry For Class X>Chapter 3 - Metals and Non-metals>Exercise 3>Q 14

Write a brief note on the calcination.

EASY

10th CBSE

IMPORTANT

Eduwiser's CBSE Chemistry For Class X>Chapter 3 - Metals and Non-metals>Exercise 3>Q 14

Write a brief note on the refining of crude metal.

HARD

10th CBSE

IMPORTANT

Eduwiser's CBSE Chemistry For Class X>Chapter 3 - Metals and Non-metals>Exercise 3>Q 15

How is a metal recovered from its concentrated ore?

HARD

10th CBSE

IMPORTANT

Eduwiser's CBSE Chemistry For Class X>Chapter 3 - Metals and Non-metals>Exercise 3>Q 16

What is rusting of iron and what are the factors which govern it?

HARD

10th CBSE

IMPORTANT

Eduwiser's CBSE Chemistry For Class X>Chapter 3 - Metals and Non-metals>Exercise 3>Q 17

Both air and water are essential for rusting of iron. Verify the Statement with an activity.

HARD

10th CBSE

IMPORTANT

Eduwiser's CBSE Chemistry For Class X>Chapter 3 - Metals and Non-metals>Exercise 3>Q 18

How can the rusting of iron be prevented?

MEDIUM

10th CBSE

IMPORTANT

Eduwiser's CBSE Chemistry For Class X>Chapter 3 - Metals and Non-metals>Exercise 3>Q 19

What are alloys and what is the importance of alloying?

MEDIUM

10th CBSE

IMPORTANT

Eduwiser's CBSE Chemistry For Class X>Chapter 3 - Metals and Non-metals>Exercise 3>Q 20

What are amalgams? Give two examples.