1
TS EAMCET 2020 (Online) 14th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Acid rain is mainly caused by the emissions of which of the following gases?

I. Sulphur dioxide

II. Carbon dioxide

III. Nitrogen dioxide

IV. Methane

A

I and II

B

I, II and III

C

I and III

D

I, II, III and IV

2
TS EAMCET 2020 (Online) 14th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following molecules react with haemoglobin of the blood to produce toxic effect?

A

Carbon monoxide

B

Carbon dioxide

C

Oxygen

D

Nitrogen

3
TS EAMCET 2020 (Online) 11th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

The average atmospheric residence time is lowest for which of the given the greenhouse gas?

A

Carbon dioxide

B

Methane

C

Nitrous oxide

D

Freon

4
TS EAMCET 2020 (Online) 11th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following molecules is present in photochemical smog?

A

$\mathrm{SO}_2$

B

$\mathrm{NO}_2$

C

$\mathrm{CO}_2$

D

CO

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