state gov Rajasthan Gram Vikas Adhikari (VDO) Mock Test 2021 General Science Chemistry Chemistry in Everyday Life
Components causing air pollution
A. CFCs
B. Excess of Carbon di oxide emission
C. Carbon monoxide
D. Sulphur di oxide
1
A, B, C
2
B, C
3
A, D, B
4
A, B, C, D