Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Periodic Table
Liquefied petroleum gas (LPG) used for cooking in homes is a combination of:
1
propane and butane
2
methane and butane
3
hexane and propane
4
More than one of the above
5
None of the above