What is the result when Copper(||)oxide is heated?
The heated copper would oxidise (i.e. react with oxygen) to give a black solid of CuO.
2 Cu + O2 -> 2 CuO
When the copper oxide is heated with hydrogen, copper metal and water are formed. What happens to the hydrogen in this reaction?
Copper oxide is heated with hydrogen to form copper metal and water. What happens to copper oxide?
What would you observe in the following case?
When carbon monoxide is passed over heated copper oxide.
What is the colour of the product formed when the black copper oxide is heated in a steam of hydrogen?