Chemistry GK Practice Question and Answer
8 Q: There is abundant available metal in the crust?
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5eeb1454eee45c3b837b02d4- 1SIfalse
- 2FEfalse
- 3ALtrue
- 4CUfalse
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Answer : 3. "AL"
Q: Which of the following metals does not react with cold or hot water?
1479 05eeae018ad25df5a63247ecc
5eeae018ad25df5a63247ecc- 1Nafalse
- 2Cafalse
- 3Mgfalse
- 4Fetrue
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Answer : 4. "Fe"
Q: What is the increase in the ratio of oxygen in a chemical reaction?
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5f698eec397b1a52908c7d50- 1Reduction reactionfalse
- 2oxidation reactiontrue
- 3endothermic reactionfalse
- 4displacement reactionfalse
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Answer : 2. "oxidation reaction"
Q: What type of reaction is respiration?
1463 05f69905d397b1a52908c873a
5f69905d397b1a52908c873a- 1exothermic reactiontrue
- 2combination reactionfalse
- 3oxidation-reduction reactionfalse
- 4two-decomposition reactionfalse
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Answer : 1. "exothermic reaction"
Q: It is easy to make stone by beating metals. Which property of the metal does it indicate?
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6127655cb05363065a00ac0c- 1hardnessfalse
- 2malleabilitytrue
- 3conductivityfalse
- 4Activityfalse
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Answer : 2. "malleability"
Q: What is the pH value of salts made from strong acids and weak bases?
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5f6990bb558d255013b2c2aa- 1more than 7false
- 2less than 7true
- 3Between 10 and 14false
- 4less than 14false
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Answer : 2. "less than 7"
Q: Which law was studied in the year 1787, in which it was said that the volume of a gas increases with its absolute temperature and if its absolute temperature decreases, then its volume will decrease?
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64b5204188d5e4f52dd2277b- 1Boyle’s lawfalse
- 2Dalton’s lawfalse
- 3Avogadro’s lawfalse
- 4Charles's lawtrue
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Answer : 4. "Charles's law"
Explanation :
1. Charles's law (also known as volume law) is an experimental gas law.
2. The volume of a gas increases with its absolute temperature and as its absolute temperature decreases its volume also decreases.
3. Charles's law was studied in the year 1787.
Q: Which of the following is the conductor of nonmetal electricity?
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5feb069af33a00432afeff9b- 1graphitetrue
- 2Copperfalse
- 3Sulfurfalse
- 4diamondfalse
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