Chemistry General Knowledge Questions Practice Question and Answer
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Q: Who proposed the word 'molecule'?
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5f869f7ce5230d6207339745- 1E. Rutherfordfalse
- 2J.J. Thomsonfalse
- 3Democritustrue
- 4John Doltonfalse
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Answer : 3. "Democritus"
Q: Which of the following is not correct about diffusion?
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5f869edfb7ad805e26c102b6- 1The rate of diffusion of gases is higher than that of solid and liquid.false
- 2Diffusion is possible only when the particles of matter are in constant motion.false
- 3The rate of diffusion of gases depends on their volume.true
- 4Particles in diffusion move from high concentration to low concentration.false
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Answer : 3. "The rate of diffusion of gases depends on their volume."
Q: A catalyst is a substance that_________ the velocity of a chemical reaction.
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5f7560fbc995cb2bd58dca56- 1Increasesfalse
- 2Decreasesfalse
- 3Changestrue
- 4None of thesefalse
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Answer : 3. "Changes"
Q: Nowadays yellow lamps are being used in abundance in street lights. Which of the following gas are used in these lamps?
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5f745b0ff66ef56de842ca1c- 1Sodiumtrue
- 2Neonfalse
- 3Hydrogenfalse
- 4Nitrogenfalse
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Answer : 1. "Sodium"
Q: The tendency to receive electrons is called-
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5f745a3ebb26e87e5eea3a72- 1Oxidationfalse
- 2Reductiontrue
- 3Catalysisfalse
- 4Motivationfalse
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Answer : 2. "Reduction"
Q: The tendency to give up electrons is called-
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5f745960a921aa16e68b8a63- 1Oxidationtrue
- 2Reductionfalse
- 3Catalysisfalse
- 4Motivationfalse
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Answer : 1. "Oxidation "
Q: Oxygenation is a chemical reaction in which
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5f7458b14637db732832e936- 1The electron is discarded.false
- 2Oxygen is a combination.false
- 3The ratio of the positive group increases.false
- 4All of the abovetrue
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Answer : 4. "All of the above"
Q: What is the basic element of all organic compounds?
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5f7456a94637db732832dd4c- 1Nitrogenfalse
- 2Oxygenfalse
- 3Carbontrue
- 4Sulfurfalse
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Answer : 3. "Carbon"
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