Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Chemical Reaction
Which one of the following is NOT an exothermic reaction?
1
When ammonium chloride (NH4Cl) is dissolved in water
2
The thermite reaction
3
Haber process of ammonia production
4
More than one of the above
5
None of the above