Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Chemistry in Everyday Life
Which chemical is used for ripening of fruits?
1
Methane
2
Ethylene
3
Sulphuric acid
4
More than one of the above
5
None of the above