HARD
8th CBSE
IMPORTANT
Earn 100

What are noble metals? Why are they used to make ornaments?

Important Questions on Metals and Non-Metals

MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 4 - Metals and Non-Metals>EXERCISES>Q C
Can a wire be drawn out of wood? Why not?
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 4 - Metals and Non-Metals>EXERCISES>Q C
Can alloying be used to lower the melting point? Give an example.
HARD
8th CBSE
IMPORTANT
Living Science 8>Chapter 4 - Metals and Non-Metals>EXERCISES>Q C
How is anodizing of aluminium carried out?
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 4 - Metals and Non-Metals>EXERCISES>Q D
What do you mean by malleability and ductility? How are these properties different in metals and non-metals?
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 4 - Metals and Non-Metals>EXERCISES>Q D
Give three examples of reactions between metal and water to show that different metals have different reactivities.
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 4 - Metals and Non-Metals>EXERCISES>Q D
Give the important uses of copper.
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 4 - Metals and Non-Metals>EXERCISES>Q D
Aluminium protects itself against corrosion. Discuss why it is necessary to anodize aluminium to make it corrosion resistant.
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 4 - Metals and Non-Metals>EXERCISES>Q D
List three important uses of hydrogen.