Question

3. Give one example for the following: Substance whose mass increases on heating.
Gas found in liquid state under ordinary condition.
Vapour which is reddish brown in colour.
A substance that can be broken down easily.
A gas with zero valency.
A positive non- metallic radical.
A trivalent acid radical. 4. ​

Answer 1

Answer:

1. iron.

2.bromine

3.galium

4.all noble gases.

Answer 2

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Substance whose mass increases on heating.

• Mass doesn't increase on Heating, volume Increases.

Gas found in liquid state under ordinary condition

• Bromine

Vapour which is reddish brown in colour.

• Free Bromine

A substance that can be broken down easily.

• Element

A gas with zero valency.

• Noble Gas

A positive non- metallic radical.

• Hydrogen

A trivalent acid radical.

• HNO₃