Mass Changes when a Reactant or Product is a Gas (AQA GCSE Chemistry Combined Science): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 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 when is heated in an open container?
What happens to when is heated in an open container?
The gas can escape
What are the products when calcium carbonate decomposes?
What are the products when calcium carbonate decomposes?
Calcium oxide and carbon dioxide
Why does the mass appear to decrease when is heated in an open container?
Why does the mass appear to decrease when is heated in an open container?
Carbon dioxide gas escapes
What reacts with iron when it is left exposed to air?
What reacts with iron when it is left exposed to air?
Oxygen
What is formed when iron reacts with oxygen from the air?
What is formed when iron reacts with oxygen from the air?
Iron oxide (rust)
Why does iron appear to gain mass when left exposed to air?
Why does iron appear to gain mass when left exposed to air?
Oxygen from air has combined with it
In which reaction does mass appear to decrease?
In which reaction does mass appear to decrease?
Heating in an open container
Which product escapes when calcium carbonate is heated?
Which product escapes when calcium carbonate is heated?
Carbon dioxide
What type of substance can escape or enter a reaction container?
What type of substance can escape or enter a reaction container?
Gases