Mass Changes when a Reactant or Product is a Gas (AQA GCSE Chemistry): Quizzes
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Practise the questions
8 questions from this quiz
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Practise the questions
8 questions from this quiz
Why might mass appear to change in some reactions?
Why might mass appear to change in some reactions?
A gas can escape or enter the container
What happens to gas when heating in an open container?
What happens to gas when heating in an open container?
It escapes into the air
What products form when calcium carbonate decomposes?
What products form when calcium carbonate decomposes?
Calcium oxide and carbon dioxide
Why does mass appear to decrease when heating in an open container?
Why does mass appear to decrease when heating in an open container?
gas escapes
What does iron react with when exposed to air?
What does iron react with when exposed to air?
Oxygen
Why does iron appear to gain mass when it rusts?
Why does iron appear to gain mass when it rusts?
Oxygen from air combines with it
What is formed when iron reacts with oxygen?
What is formed when iron reacts with oxygen?
Iron oxide
Which scenario shows an apparent loss of mass?
Which scenario shows an apparent loss of mass?
Heating in an open container