Question

Iron fillings and sulphur were mixed together and divided into two parts

A and B. Part A was heated strongly while part B was not heated.

Dilute HCl was added to both the parts and evolution of gas was seen

in both the cases. How will you identify the gases evolved? Mention the

chemical reactions involved.

Answer 1

A was heated strongly

Answer 2

a was heated strong because iron sulphur were mixed together