15 
Drag the items on the right into the middle to match with the items on the left.
potassium + water
sodium + water
calcium + water
magnesium + water
aluminium + water
zinc + water
iron + water
copper + water
magnesium + hydrochloric acid
aluminium + hydrochloric acid
zinc + hydrochloric acid
iron + hydrochloric acid
lead + hydrochloric acid
copper + hydrochloric acid
magnesium + sulphuric acid
potassium hydroxide + hydrogen
sodium hydroxide + hydrogen
calcium hydroxide + hydrogen
magnesium hydroxide + hydrogen
aluminium hydroxide + hydrogen
zinc hydroxide + hydrogen
iron hydroxide + hydrogen
Copper does not react with water!
magnesium chloride +hydrogen
aluminium chloride +hydrogen
zinc chloride +hydrogen
iron chloride +hydrogen
lead chloride +hydrogen
Copper does not react with acid!
magnesium sulphate + hydrogen

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