Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Chemical Reaction
The pop sound occurs on burning the gas obtained after _________
1
Burning of magnesium
2
Forming slaked lime from quick lime
3
Acid metal reaction
4
More than one of the above
5
None of the above