When hydrogen is passed over copper oxide, copper and steam are formed. Write a balanced equation for this reaction and state which of the chemicals are:
(i) elements (ii) compounds (iii) reactants (iv) products (v) metals (vi) non-metals
When hydrogen is passed over copper oxide, copper and steam are formed.
The balanced equation for this reaction is: $H_{2} +CuO\ \rightarrow \ Cu\ +H_{2} O$
(i) Elements: Hydrogen (H2) and copper (Cu)
(ii) Compounds: copper oxide (CuO) and water (H2O)
(iii) Reactants: Hydrogen (H2) and copper oxide (CuO)
(iv) Products: copper (Cu) and water (H2O)
(v) Metal: copper (Cu)
(vi) Non-metal: Hydrogen (H2)
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