Teaching Bihar Sakshamta Pariksha (Niyojit Shikshak) Mock Test 2024 General Knowledge Ecology and Environment Environment Problems
‘Acid rain’ consists of following :
1
Acetic acid and Phosphoric acid
2
Acetic acid and Sulphuric acid
3
Nitric acid and Sulphuric acid
4
Hydrogen chloride and Acetic acid