Ozone layer of atmosphere absorbs:
A). Ultraviolet rays
B). Infra-red rays
C). All radiations of Light
D). Cosmic rays.
Ultraviolet rays
The ozone layer or ozone shield is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet radiation. It contains a high concentration of ozone in relation to other parts of the atmosphere, although still small in relation to other gases in the stratosphere.
1. Chemically ‘Quick Silver' is known as
2. The term 'Carbon foot print' means
3. Which of the following is used to remove ink and rust stains on cloth?
4. The substance which does not expand on going from liquid state to solid state is
6. Question 14.19:How can domestic waste be used as manure?
7. Which of the following is used as a lubricant in heavy machines
8. Synthetic detergents are prepared from