EASY
8th CBSE
IMPORTANT
Earn 100

Generally, non-metals react with acids.

100% studentsanswered this correctly

Important Questions on Metals and Non-Metals

EASY
8th CBSE
IMPORTANT
Sodium is a very reactive metal.
MEDIUM
8th CBSE
IMPORTANT
Copper displaces zinc from zinc sulphate solution.
MEDIUM
8th CBSE
IMPORTANT
Coal can be drawn into wires.
MEDIUM
8th CBSE
IMPORTANT

Some properties are listed in the following table. Distinguish between metals and non-metals on the basis of these properties.

Properties Metal Non-metals
1. Appearance    
2. Hardness    
3. Malleability    
4. Ductility    
5. Heat conduction    
6. Conduction of electricity    

 

MEDIUM
8th CBSE
IMPORTANT

Give reasons for the following: Aluminium foils are used to wrap food items.

MEDIUM
8th CBSE
IMPORTANT

Give reasons for the following: Immersion rods for heating liquids are made up of metallic substances.

MEDIUM
8th CBSE
IMPORTANT

Give reasons for the following: Copper cannot displace zinc from its salt solution.

MEDIUM
8th CBSE
IMPORTANT

Give reasons for the following. Sodium and potassium are stored in kerosene.