Practice Decomposition Reaction (3.2) - Chemical Reactions

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9 questions

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Exercise
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6 sample questions

Question 1.
What is a decomposition reaction?
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Think about what happens to a compound when it decomposes.
Question 2.
Give an example of thermal decomposition.
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Consider what happens when you heat limestone.
3Question 3.
What is a decomposition reaction?
- A reaction combining substances
- A reaction breaking down a compound
- A reaction exchanging ions
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Remember the formula that defines decomposition reactions.
4Question 4.
True or False: Decomposition reactions can only occur with heat.
- True
- False
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Think of various forms of energy that can cause reactions.
Question 5.
Explain why the heating of calcium carbonate is a practical demonstration of a decomposition reaction in a laboratory setting.
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Think about the observable changes during the reaction.
Question 6.
Design an experiment to illustrate electrolytic decomposition using water. Include materials and expected observations.
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Consider how electricity can change substances.

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