Chemistry Practice Question and Answer
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5f698f9a558d255013b2b659 4 Q:
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5f698ddb558d255013b2a71b
Q: What is the pH value of salts made from strong acids and weak bases?
930 05f6990bb558d255013b2c2aa
5f6990bb558d255013b2c2aa- 1more than 7false
- 2less than 7true
- 3Between 10 and 14false
- 4less than 14false
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Answer : 2. "less than 7"
Q: What type of reaction is respiration?
904 05f69905d397b1a52908c873a
5f69905d397b1a52908c873a- 1exothermic reactiontrue
- 2combination reactionfalse
- 3oxidation-reduction reactionfalse
- 4two-decomposition reactionfalse
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Answer : 1. "exothermic reaction"
Q: What are the substances that participate in a reaction?
789 05f698fe6f9079a64e3a5b205
5f698fe6f9079a64e3a5b205- 1considerationfalse
- 2Deductivefalse
- 3reactantstrue
- 4Oxidizerfalse
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Answer : 3. "reactants"
Q: Sodium chloride and water are formed by the reaction of sodium hydroxide and hydrochloric acid. What is this reaction?
841 05f698f9a558d255013b2b659
5f698f9a558d255013b2b659- 1neutralizationtrue
- 2Disintegrationfalse
- 3combinationfalse
- 4precipitationfalse
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Answer : 1. "neutralization"
Q: Which of the following reactions always have pairs together?
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5f698f46558d255013b2b2b6- 1combination and dissolutionfalse
- 2precipitation and displacementfalse
- 3neutralization and displacementfalse
- 4Oxidation and degradationtrue
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Answer : 4. "Oxidation and degradation"
Q: What is the increase in the ratio of oxygen in a chemical reaction?
1030 05f698eec397b1a52908c7d50
5f698eec397b1a52908c7d50- 1Reduction reactionfalse
- 2oxidation reactiontrue
- 3endothermic reactionfalse
- 4displacement reactionfalse
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Answer : 2. "oxidation reaction"
Q: What type of reaction is corrosion?
879 05f698e99473e9b04bc1fb350
5f698e99473e9b04bc1fb350- 1Reduction reactionfalse
- 2precipitation reactionfalse
- 3oxidation reactiontrue
- 4combination reactionfalse
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Answer : 3. "oxidation reaction"
Q: Which of the following is not oxidation?
923 05f698ddb558d255013b2a71b
5f698ddb558d255013b2a71b- 1precipitationtrue
- 2Digestion of foodfalse
- 3Respirationfalse
- 4combustionfalse
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Answer : 1. "precipitation"
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