MEDIUM
8th CBSE
IMPORTANT
Earn 100

Silver is more likely to tarnish near a petroleum refinery than in a place far away from it. Explain why.

Important Questions on Metals and Non-Metals

EASY
8th CBSE
IMPORTANT
List three physical properties of non-metals.
MEDIUM
8th CBSE
IMPORTANT
Do non-metals liberate hydrogen gas from dilute acids?
MEDIUM
8th CBSE
IMPORTANT
Classify the following elements into metals and non-metals:
hydrogen, gold, carbon, nitrogen, zinc, oxygen, sodium, magnesium, phosphorus, sulphur, silver, neon, mercury, chlorine
MEDIUM
8th CBSE
IMPORTANT
Discuss the main physical and chemical properties of metals.
MEDIUM
8th CBSE
IMPORTANT
What is the activity series of metals? How is it useful?
MEDIUM
8th CBSE
IMPORTANT
Which of the following undergo chemical reactions? Describe the reactions and write their equation.
Iron and copper sulphate
MEDIUM
8th CBSE
IMPORTANT
Which of the following undergo chemical reactions? Describe the reactions and write their equation.
Copper and ferrous sulphate
MEDIUM
8th CBSE
IMPORTANT

Which of the following undergo chemical reactions? Describe the reactions and write their equation. 

Magnesium and zinc sulphate