Question

A piece of ice melts and reacts with Calcium metal to produce calcium hydroxide and hydrogen gas. Identify the type of change/s taking place in the given example. A.physical change only. B.chemical change only. C.physical change followed by a chemical change. D.chemical change followed by a physical change.

Answer 1

I think it’s C since the ice changes from solid to a liquid which is physical and then it reacts with calcium metal making the calcium hydroxide which is chemical change. And another sign of it being chemical was the release of gas.