Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Chemical Reaction
Which of the following are exothermic processes?
(i) Reaction of water and quick lime
(ii) Melting of ice
(iii) Evaporation of water
(iv) Dilution of an acid
1
(i) and (ii)
2
(ii) and (iii)
3
(i) and (iv)
4
More than one of the above
5
None of the above