Practice Decomposition Reaction (2.3.2) - Chemical Changes and Reactions

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6 sample questions

Question 1.
What is a decomposition reaction?
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Think about breaking something into parts.
Question 2.
Name one type of decomposition reaction.
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Consider the methods used to break down compounds.
3Question 3.
What is a decomposition reaction?
- A reaction that combines two compounds
- A reaction that breaks a compound into simpler substances
- A reaction that neutralizes an acid
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Think about breaking things apart.
4Question 4.
Thermal decomposition requires what type of energy?
- True
- False
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Remember the role of heat.
Question 5.
Given a compound undergoes thermal decomposition at high temperatures, write the chemical equation for the decomposition of calcium carbonate and the products formed.
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Consider what happens when heating limestone.
Question 6.
Explain the practical significance of electrolytic decomposition in modern industries, providing two specific examples.
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Think about water and metals when using electric currents.

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