WorksheetsChemical Changes Revision
Total questions: 15
Worksheet time: 9mins
Burning wood is a
chemical change
physical change
Melting butter for popcorn is a
chemical change
physical change
Salt dissolved in water is a
physical change
chemical change
What does it mean when there is a physical change?
Matter has change from one substance into another.
Matter has change on the molecular level
A new substance has been formed.
Matter has changed size, shape or form.
A cup of water is left outside for two days. When it was checked there was only half a cup left. What happened?
evaporation; chemical change
condensation; physical change
evaporation; physical change
condensation; chemical change
Complete the following word equation:
metal + acid →
salt + water
salt + hydrogen
salt + water + carbon dioxide
Complete the following word equation:
metal carbonate + acid →
salt + hydrogen
salt + water + carbon Dioxide
salt + water
sodium hydroxide + sulfuric acid → ? + water
sodium carbonate
sodium sulfate
sulfate sodium
sodium nitrate
magnesium + sulfuric acid →
magnesium sulfate + water
magnesium sulfate + hydrogen
magnesium chloride + hydrogen
magnesium chloride + water
nitric acid + magnesium carbonate →
magnesium nitrate + water
magnesium oxide + water
magnesium oxide + water + hydrogen
magnesium nitrate + water + carbon dioxide
Bryan wants to prepare potassium sulphate by reacting an acid with potassium hydroxide. Name the acid used in this experiment.
hydrochloric acid
nitric acid
sulphuric acid
