Question

Write word equations for these reactions.1)Methane is the chemical name for natural gas.Methane burns in oxygen to produce heat.Water and carbon dioxide are produced as waste products.2)Iron goes rusty(rust=iron oxide) when it is exposed to water and oxygen in air.3)A piece of magnesium ribbon is put into a solution of copper sulphate in a test tube.There is a chemical reaction.The magnesium dissolves,red-brown pieces of copper sink to the bottom of the test tube.

Answer 1

Answer:

1. CH4 + 2O2 --> CO2 + 2H2O
2. 3Fe + 2O2 + xH2O --> Fe3O4.xH2O
3. Mg + CuSO4 --> MgSO4 + Cu