Practice Chemical Reactions And Equations (1) - Chemical Reactions and Equations

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9 questions

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2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is a combination reaction? Provide an example.
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Think of reactions that form a single product.
Question 2.
Define a displacement reaction with an example.
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Consider examples where metals replace each other.
3Question 3.
What is a chemical reaction?
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Consider the changes happening to substances.
4Question 4.
A single compound breaks down into two products. What type of reaction is this?
- Combination
- Decomposition
- Displacement
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Think about breaking down.
Question 5.
Balance the equation of combustion of ethylene: C2H4 + O2 → CO2 + H2O.
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Count how many of each type of atom is needed on both sides.
Question 6.
Describe how you would distinguish between a displacement and double displacement reaction.
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Looking for substitutions can help clarify.

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