Question

When two substance X and Y were made to combine, another substance Z was formed following observations were recorded: a) large amount of heat was evolved when X and Y were made to combine. b) the properties of Z were found to be different from those of X and Y. Predict the nature of substance Z. Give reason?

Answer 1

i think it option <a>

Answer 2

a)large amount of heat was evolved when X and y were made to combine