MEDIUM
Lower Secondary Stage 8
IMPORTANT
Earn 100

Give some uses of iron and steel. 

Important Questions on Metals, Non-metals and Corrosion

HARD
Lower Secondary Stage 8
IMPORTANT

Explain why rusting is not a useful chemical reaction. 

MEDIUM
Lower Secondary Stage 8
IMPORTANT
Explain how painting, greasing, galvanisation and plastic coating prevent rusting. 
MEDIUM
Lower Secondary Stage 8
IMPORTANT

Choose a method to prevent the following object from rusting. Give a reason for your choice. 

Underground metal pipes.

MEDIUM
Lower Secondary Stage 8
IMPORTANT

Choose a method to prevent the following object from rusting. Give a reason for your choice. 

A decorative garden gate. 

EASY
Lower Secondary Stage 8
IMPORTANT

For the following element, use the Periodic Table to say whether it is a metal or non-metal. 

Magnesium.

EASY
Lower Secondary Stage 8
IMPORTANT

For the following element, use the Periodic Table to say whether it is a metal or non-metal.

Neon.

EASY
Lower Secondary Stage 8
IMPORTANT

For the following element, use the Periodic Table to say whether it is a metal or non-metal.

Nitrogen.

EASY
Lower Secondary Stage 8
IMPORTANT

For the following element, use the Periodic Table to say whether it is a metal or non-metal.

Barium.