Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Chemistry Electrochemistry
In which case change in entropy is negative?
1
Evaporation of water
2
2H(g) → H2(g)
3
Sublimation of solid to gas
4
More than one of the above
5
None of the above