Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Chemical Reaction
Calcium oxide and water combine to form calcium hydroxide. This is an example of __________ reaction.
1
Exothermic reaction
2
Combination reaction
3
Both combination reaction and exothermic reaction
4
More than one of the above
5
None of the above