Chemistry GK Practice Question and Answer
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5f698eec397b1a52908c7d50 4 Q:
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Q: Which of the following is not oxidation?
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5f698ddb558d255013b2a71b- 1precipitationtrue
- 2Digestion of foodfalse
- 3Respirationfalse
- 4combustionfalse
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Answer : 1. "precipitation"
Q: It is easy to make stone by beating metals. Which property of the metal does it indicate?
1710 06127655cb05363065a00ac0c
6127655cb05363065a00ac0c- 1hardnessfalse
- 2malleabilitytrue
- 3conductivityfalse
- 4Activityfalse
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Answer : 2. "malleability"
Q: What is the increase in the ratio of oxygen in a chemical reaction?
1703 05f698eec397b1a52908c7d50
5f698eec397b1a52908c7d50- 1Reduction reactionfalse
- 2oxidation reactiontrue
- 3endothermic reactionfalse
- 4displacement reactionfalse
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Answer : 2. "oxidation reaction"
Q: Which of the following metals are kept immersed in kerosene?
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61275d24dbe92e068b911ce2- 1Sodiumtrue
- 2Magnesiumfalse
- 3Zincfalse
- 4allfalse
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Answer : 1. "Sodium"
Q: What type of reaction is corrosion?
1668 05f698e99473e9b04bc1fb350
5f698e99473e9b04bc1fb350- 1Reduction reactionfalse
- 2precipitation reactionfalse
- 3oxidation reactiontrue
- 4combination reactionfalse
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Answer : 3. "oxidation reaction"
Q: Which metal floats when put in water?
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61275a37302e8b067c99aa84- 1Calciumtrue
- 2Nickelfalse
- 3Magnesiumfalse
- 4Potassiumfalse
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Answer : 1. "Calcium"
Q: Which metal does not react with oxygen even at high temperature?
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612759fb302e8b067c99a4be- 1Ironfalse
- 2goldtrue
- 3Potassiumfalse
- 4Aluminumfalse
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Answer : 2. "gold"
Q: What type of indicator is turmeric, litmus paper etc.?
1646 05f697f86397b1a52908c1013
5f697f86397b1a52908c1013- 1synthesizedfalse
- 2Naturaltrue
- 3Natural and synthesizedfalse
- 4Othersfalse
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Answer : 2. "Natural"
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