11th Chemistry Weekly Test - 2 ( Environmental Chemistry )

MABS Institution

11th Chemistry Weekly Test - 2 ( Environmental Chemistry )-Aug 2020

Time : 1.30 Hours

Part - A

Generic 2 - Answer All Question

What would happen, if the greenhouse gases were totally missing in the earth’s atmosphere?

What are fumes? Give one example.

What is green chemistry?

What are total dissolved solids (TDS)?

What is lithosphere?

What is called troposphere? How many layers are present in it? Give their names.

Carbon monoxide gas is more dangerous than carbon dioxide gas. Why?

Write a short note on global warming.

What is air pollution?

Which is considered to be earth’s protective umbrella? Why?

Part - B

Generic 5 - Answer All Question

What is acid rain? How is caused? Enlist its harmful effects?

Account for the following:
(i) Ozone layer is necessary for life.
(ii) The temperature of thermosphere is 1500°C but a person would not feel warm in it.
(iii) Smoking is harmful for pregnant latlies.
(iv) CO₂ keeps the earth warm.
(v) The pH of normal rain water is 5.6.

What are the effects of photochemical smog?

Mention the standards prescribed by BIS for quality of drinking water
List out some methods that you suggest to control water pollution in your locality.

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11th Chemistry Weekly Test - 2 ( Environmental Chemistry )

MABS Institution

11th Chemistry Weekly Test - 2 ( Environmental Chemistry )-Aug 2020

Part - A

Generic 2 - Answer All Question

What would happen, if the greenhouse gases were totally missing in the earth’s atmosphere?

What are fumes? Give one example.

What is green chemistry?

What are total dissolved solids (TDS)?

What is lithosphere?

What is called troposphere? How many layers are present in it? Give their names.

Carbon monoxide gas is more dangerous than carbon dioxide gas. Why?

Write a short note on global warming.

What is air pollution?

Which is considered to be earth’s protective umbrella? Why?

Part - B

Generic 5 - Answer All Question

What is acid rain? How is caused? Enlist its harmful effects?

Account for the following: (i) Ozone layer is necessary for life. (ii) The temperature of thermosphere is 1500°C but a person would not feel warm in it. (iii) Smoking is harmful for pregnant latlies. (iv) CO2 keeps the earth warm. (v) The pH of normal rain water is 5.6.

What are the effects of photochemical smog?

Mention the standards prescribed by BIS for quality of drinking water

List out some methods that you suggest to control water pollution in your locality.

Comment

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Tamilnadu Stateboardszs - Class

Account for the following:
(i) Ozone layer is necessary for life.
(ii) The temperature of thermosphere is 1500°C but a person would not feel warm in it.
(iii) Smoking is harmful for pregnant latlies.
(iv) CO₂ keeps the earth warm.
(v) The pH of normal rain water is 5.6.