The white solid compound A decomposes quite rapidly on heating in the presence of a black substance X … is the general name of…
Answers:
(a) Potassium chlorate, KClO3
(b) Potassium chloride, KCl
(c) Oxygen, O2
(d) Manganese dioxide, MnO2; It acts as a catalyst in the decomposition of potassium chlorate to form oxygen gas
(e) Catalysts