Question

Give one each reaction on the following:-
•change in state.
•change in colour.
•change in temperature.
•formation of a precipitate.
•evolution of gas.

Cbse class 10 chemistry.​

Answer 1

Hope it helps

............

Answer 2

1) 2H20 > 2H2+O2

2) CuSO4+Fe > FeSO4+Cu

3) CaO+H2O > Ca (OH)2

4) BaCl2+Na2SO4 > BaSO4+2NaCl

5) Zn+2HCl > ZnCl2+H2

PLS MARK IT AS THE BRAINLIEST ANSWER IF IT HELPS YOU.