Advertisements
Advertisements
Question
Give reason for the following:
The formation of ozone involves a chemical reaction called photolysis.
Advertisements
Solution
With the help of UV rays
O2 molecule breaks into two oxygen atoms called photolysis.
\[\ce{O2 ->[UV][light] [O] + [O]}\]
Now more of O2 molecule combine with [O]
O2 + [O] → O3 ozone
APPEARS IN
RELATED QUESTIONS
How does ozone affect any ecosystem?
Which radiations are absorbed by ozone layer?
Fill in the following blank with suitable word :
Ultraviolet rays can cause skin..............
‘There is a hole in the ozone layer’. What do you understand by this?
The chemicals leading to the formation of ozone holes.
State how CFCs break ozone in the stratosphere.
Very short answer type question
Where was the ozone hole discovered?
A motor car, with its glass totally closed, is parked directly under the sun. The inside temperature of the car rises very high. Explain why?
Gas A, found in the upper layers of the atmosphere, is a deadly poison but is essential for all living beings. The amount of this gas started declining sharply in the 1980s.
- Identify Gas A. How is it formed at higher levels of the atmosphere?
- Why is it essential for all living beings? State the cause for the depletion of this gas.
Write the full form of CFCs.
