Explain the formation of calcium oxide.

Important Questions on Metals and Non-Metals

HARD

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>PAPER - PEN TEST : 5>Q 8

What are the properties of ionic compounds?

MEDIUM

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>PAPER - PEN TEST : 5>Q 9

Do ionic compounds conduct electricity in solid state?

HARD

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>PAPER - PEN TEST : 5>Q 10

Explain an experiment to show that ionic compounds conduct electricity in aqueous solution.

MEDIUM

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>PAPER - PEN TEST : 5>Q 11

Why do ionic compounds have high melting point?

EASY

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>PAPER - PEN TEST : 6>Q 1

Define covalent bond.

EASY

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>PAPER - PEN TEST : 6>Q 2

What do you understand by the term covalency?

MEDIUM

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>PAPER - PEN TEST : 6>Q 3

Why covalent compounds are poor conductors of electricity?

MEDIUM

10th CBSE

IMPORTANT

Concise Chemistry Part 2>Chapter 3 - Metals and Non-Metals>PAPER - PEN TEST : 6>Q 4

Explain why covalent compounds have low melting and boiling point?