Advertisements
Advertisements
Question
Burning of fossil fuels is responsible for global warming. Justify the statement.
Advertisements
Solution
The combustion of fossil fuels also releases a large amount of carbon dioxide into the atmosphere. Carbon dioxide is a greenhouse gas which is responsible for global warming. Humans bum fossil fuels, releasing huge amounts of carbon pollution and trapping more and more heat in the atmosphere.
APPEARS IN
RELATED QUESTIONS
CFC is a pollutant.
Match the following.
| Spoilage | Decomposition |
| Ozone | Biocatalyst |
| Tarnishing | Oxygen |
| Yeast | Chemical reaction |
| Calcium oxide | Food |
What happens when an iron nail is placed in copper sulphate solution?
What is tarnishing? Give an example.
Explain how food items are spoiled by chemical reactions?
Explain the role of yeast in making cakes and buns in a bakery?
Do all the fruits and vegetables undergo browning? Explain.
Explain the environmental effects of chemical reactions?
Reason out
Ozone is produced naturally in the stratosphere.
An element ‘A’ on exposure to moist air turns reddish-brown and a new compound ‘B’ is formed. The substance ‘A’ and ‘B’ are:
