MEDIUM
8th ICSE
IMPORTANT
Earn 100

What happens when a baking mixture containing baking powder is heated?

Important Questions on Carbon And Its Compounds

MEDIUM
8th ICSE
IMPORTANT
What happens when a soda water bottle is opened?
MEDIUM
8th ICSE
IMPORTANT

Give reason for the following:

An excess of carbon dioxide increases the temperature of the earth.

MEDIUM
8th ICSE
IMPORTANT

Give reasons for the following:

Soda acid and foam type of fire extinguishers are not used for extinguishing electrical fires.

MEDIUM
8th ICSE
IMPORTANT

Give reasons for the following:

Solid carbon dioxide is used for the refrigeration of food.

MEDIUM
8th ICSE
IMPORTANT
What is a fire extinguisher? What is the substance used in the modern type of fire extinguishers? How is it an improvement over the soda acid-type and the foam-type fire extinguishers ?
MEDIUM
8th ICSE
IMPORTANT
Explain the term 'green house effect'. What are its benefits? How is it harmful?
HARD
8th ICSE
IMPORTANT
What steps should be taken to balance carbon dioxide in the atmosphere ?
MEDIUM
8th ICSE
IMPORTANT
State three ways by which carbon dioxide gas is added into the atmosphere.