Ozone

Q.

Function(s) of ozone layer is/are

1. Protection from UV light

2. Prevention of skin cancer

3. Traps heat on Earth

4. All of the above

Q.

The color of pure ozone(O₃) in the gaseous phase and liquid phase respectively are-

Q.

How ozone can be prepared?

Q.

The major cause for depletion of ozone layer in stratosphere can be attributed to:

1. Increase in sulphur dioxide and carbon monoxide.

2. Increase in the level of greenhouse gases.

3. Increased usage of CFCs.

4. Decreased use of CFCs.

Q. Does ozone absorb UV radiations and break s down into oxygen?

Q.

Write the formula of ozone.

Q.

Write one word answer for the following :

Effect of ozone hole is maximum in

Q.

Name the disease that can be caused by UV radiations.

Q.

Water is not required by humans for

1. Drinking

2. Growing plants

3. Lighting of a fire

4. Making Paper

Q.

Name the compounds responsible for hole in ozone layer of atmosphere.

Q.

which amongst the following are compounds?

1. Hydrogen

2. water

3. oxygen

4. carbondioxide