the following reaction is used for preparation of oxygen gas in the laboratory?
2KCl3(s) ----heat 2KCl(s)+3O2(g)
which of the following is correct for it?
a) it is Decomposition reaction and endothermic in nature
b) it is combination reaction
c) it is decomposition reaction and accompanied by relase of heat
d) it is photochemical decomposition reaction and endothermic in nature
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itna lamba q ka ans q chahiye bhaya
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