Question

Match the following

a) action of heat on mercury(ii)oxide
b) reaction of NH3 with HCl
c) FeCl3+NH4OH
d) SO2+O2
e) Setting of cement
f) reaction between nitrogen & hydrogen

1. reversible
2. vanadium pentoxide(catalyst)
3. exothermic
4. reddish brown precipitate
5. ammonium chloride
6. red to silvery(colour change)​

Answer 1

Answer:

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