Question

A solid white substance A is heated strongly in the absence of air. It decomposes to form a new white substance B and a gas C. The gas has exactly the same properties as the product obtained when carbon is burned in an excess of oxygen. What can we say about whether solids A and B and the gas C are elements or compounds?

Answer 1

Answer:

3 answers

A solid white substance A is heated strongly in the absence of air. It decomposes to form a new white substance Band a gas C. The gas has exactly