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
Concise Chemistry Middle School for Class 8>Chapter 9 - Carbon And Its Compounds>Exercise>Q 3
What happens when a soda water bottle is opened?
MEDIUM
8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 9 - Carbon And Its Compounds>Exercise>Q 4

Give reason for the following:

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

MEDIUM
8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 9 - Carbon And Its Compounds>Exercise>Q 4

Give reasons for the following:

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

MEDIUM
8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 9 - Carbon And Its Compounds>Exercise>Q 4

Give reasons for the following:

Solid carbon dioxide is used for the refrigeration of food.

MEDIUM
8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 9 - Carbon And Its Compounds>Exercise>Q 5
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
Concise Chemistry Middle School for Class 8>Chapter 9 - Carbon And Its Compounds>Exercise>Q 6
Explain the term 'green house effect'. What are its benefits? How is it harmful?
HARD
8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 9 - Carbon And Its Compounds>Exercise>Q 7
What steps should be taken to balance carbon dioxide in the atmosphere ?
MEDIUM
8th ICSE
IMPORTANT
Concise Chemistry Middle School for Class 8>Chapter 9 - Carbon And Its Compounds>Exercise>Q 8
State three ways by which carbon dioxide gas is added into the atmosphere.