Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test Chemistry States of Matter Gaseous State And Gas Laws
Which of the following is the main component of biogas?
1
Methane
2
Ethane
3
Propane
4
More than one of the above
5
None of the above