A wax candle is lit and burns. Some of the wax is converted into gases that escape into the surrounding air.
What happens to the mass and what happens to the weight of the remaining candle?
mass decreases; weight decreases
mass decreases; weight stays the same
mass stays the same; weight decreases
mass stays the same; weight stays the same
209 exam-style questions on CIE IGCSE Physics Mass and weight, covering Mass and weight. Each one has a worked solution and a mark scheme showing where the marks go.