Which of the following are some important pollutants release

| M: +2.00/-0.67

Which of the following are some important pollutants released by steel industry in India?

1. Oxides of sulphur

2. Oxide of nitrogen

3. Carbon monoxide

4. Carbon dioxide

Select the correct answer using the code given below.

???? ??? ?????? ?????? ?????? ???? ??? ?? ??? ?????????? ??????? ?????????? ??? ?? ??? ????

1. ????? ?? ???????

2. ????????? ?? ???????

3. ?????? ???????????

4. ?????? ??????????

???? ??? ?? ??? ?? ????? ???? ??? ????? ??????

[Ecology and Environment 2011-16 New Without Errors,UPSC IAS Prelims 2014]

A 1, 3 and 4 only

केवल 1, 3 और 4

B 2 and 3 only

2 और 3 ही

C 1 and 4 only

केवल 1 और 4

D 1, 2, 3 and 4 only

केवल 1, 2, 3 और 4

...

View Full Explanation