Question
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:
  1. Elements.
  2. Compounds.
  3. Reactants.
  4. Products.
  5. Metals.
  6. Non-metals.

Answer

$\text{H}_2\ +\ \text{CuO}\xrightarrow{\ \ \ \ \ \ \ \ \ \ \ }\text{Cu}\ +\ \text{H}_2\text{O}$
  1. Elements: $H_2$ and $Cu$
  2. Compounds: $CuO$ and $H_2O$
  3. Reactants: $H_2$ and $CuO$
  4. Products: $CU$
  5. Metals: $Cu$
  6. Non-metals: $H_2$

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