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Questions and Answers
Which substance is formed when carbon dioxide is passed through lime water?
What is the standard test for carbon dioxide?
In Activity 5.6, what new substance was formed when magnesium was burnt in air?
What are the new substances formed when copper sulphate reacts with iron?
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What is the new substance formed when vinegar and baking soda react?
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Study Notes
Chemical Reactions and Substances
- When carbon dioxide is passed through lime water, calcium carbonate is formed.
Combustion Reactions
- The standard test for carbon dioxide is the limewater test, which turns milky when CO2 is present.
Combustion of Magnesium
- When magnesium is burnt in air, magnesium oxide is formed.
Displacement Reactions
- When copper sulphate reacts with iron, iron sulphate and copper are formed.
Acid-Base Reactions
- When vinegar and baking soda react, carbon dioxide and water are formed.
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Description
Test your knowledge on physical and chemical changes with this quiz! This quiz will cover topics such as the reaction between carbon dioxide and lime water, and the formation of calcium carbonate. See how well you understand these concepts and their applications, including testing the presence of carbon dioxide in the air we breathe out.
