Practice Decomposition Reactions (1.2.2) - Chemical Reactions - IB 10 Sciences (Group 4)

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9 questions

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Exercise
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6 sample questions

Question 1.
What happens during a decomposition reaction?
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Focus on what 'decomposition' means.
Question 2.
Give an example of a decomposition reaction.
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Think of common household substances.
3Question 3.
What is a decomposition reaction?
- A reaction that combines two elements
- A reaction that breaks down a compound
- A reaction that replaces one element for another
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Consider the prefix 'de-' in decomposition.
4Question 4.
Decomposition reactions are always exothermic.
- True
- False
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Reflect on what you know about energy changes.
Question 5.
Describe the energy changes involved in the endothermic decomposition of calcium carbonate, including energy input and products formed.
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What does 'endothermic' mean?
Question 6.
Provide a balanced equation and describe the significance of balancing in decomposition reactions.
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Why is mass conservation important in science?

5 more questions in this section. Enroll free to practise them all.