AP Chemistry: Chemical Reactions Practice Test
AP Chemistry: Chemical Reactions Practice Test
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Question 1 of 18
1. Question
Which is the name of the kind of solid substance formed in this figure?
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Question 2 of 18
2. Question
An element plus additional element reacts to form one product is an example of which type of chemical reaction?
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Question 3 of 18
3. Question
Magnesium reacts with hydrochloric acid to produce magnesium chloride and hydrogen gas this happens because?
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Question 4 of 18
4. Question
Which of the following compounds will not disassociate in water?
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Question 5 of 18
5. Question
Which type of reaction takes place in the presence of oxygen and produces carbon dioxide and water?
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Question 6 of 18
6. Question
What is the probable product of a double-replacement reaction?
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Question 7 of 18
7. Question
Which reaction between halogens and halide salts will occur?
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Question 8 of 18
8. Question
When a scientist mixed two chemicals, an exothermic reaction takes place. Which of the following would be proof that the reaction was exothermic?
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Question 9 of 18
9. Question
Increasing the concentration of a reactant in a chemical reaction will _____________.
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Question 10 of 18
10. Question
If you combine two substances in a beaker at room temperature and the beaker feels cold to the touch, it means that the substances:
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Question 11 of 18
11. Question
Monika dips a clean iron (Fe) nail into a test tube filled with (CuSO 4 ) solution and waits for a reaction.
Which of the following reactions does she observe?
Note: Fe is more reactive than Cu.CorrectIncorrect -
Question 12 of 18
12. Question
Ferrous sulphate crystals are heated to form ferric oxide (Fe 2 O 3 ) and the gases, sulphur dioxide (SO 2 ) and sulphur trioxide (SO 3 ).
What type is this chemical reaction?CorrectIncorrect -
Question 13 of 18
13. Question
Which of the following is an example of physical change?
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Question 14 of 18
14. Question
Magnesium (Mg) ribbons turn white when exposed to sulphur dioxide (SO 2 ) gas. The following redox reaction takes place.
Which reactant acts as the reducing agent in this reaction?CorrectIncorrect -
Question 15 of 18
15. Question
Food containing oils and fats becomes rancid and turns to give a bad smell.
Food becomes rancid due to _________.CorrectIncorrect -
Question 16 of 18
16. Question
Sohan is having a great day doing experiments in the chemistry laboratory!
Experiment 1: He decomposes a sample of green ferrous sulphate (FeSO 4 ) crystals
into ferrous oxide (Fe 2 O 3 ) and two gases, sulphur dioxide (SO 2 ) and sulphur trioxide
(SO 3 ).
Experiment 2: In a second experiment, he decomposes limestone (CaCO 3 ) to form
quick lime (CaO), releasing carbon dioxide (CO 2 ) gas.
Help him identify the two chemical reactions.CorrectIncorrect -
Question 17 of 18
17. Question
Tina adds water to quick lime to whitewash her bedroom wall.
What is the product obtained during this combination reaction?
Note: Let’s remember, quick lime is calcium oxide (CaO).CorrectIncorrect -
Question 18 of 18
18. Question
In his laboratory, Antoine Lavoisier studies how treating lead oxide (PbO) with carbon (C) produces pure lead (Pb).
Choose the correct statements from the following.
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