Chemistry General Knowledge Questions Practice Question and Answer
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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: Which one of the following substance is used in photography and also as an antichlor ?
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6245534c398e4a497b3e9570- 1Chrome redfalse
- 2Sodium thisosulphatetrue
- 3Hydrogen peroxidefalse
- 4Calomelfalse
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Answer : 2. "Sodium thisosulphate "
Q: Water in case of HCl acts as a/an ___________, in case of ammonia acts as a/an ________
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63c7c8d3be373f6c9546a490- 1Base, basefalse
- 2Base, acidtrue
- 3Acid, basefalse
- 4Acid, acidfalse
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Answer : 2. "Base, acid "
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: In which state of matter, the distance between the molecules is minimum ?
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60fe402081fb4616a6565dbb- 1Solidtrue
- 2Liquidfalse
- 3Gasfalse
- 4Plasmafalse
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Answer : 1. "Solid"
Q: The coil in a heater is made of
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60939952b8018e6486aef888- 1Nichrometrue
- 2Tungstenfalse
- 3Copperfalse
- 4Ironfalse
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Answer : 1. "Nichrome"
Q: How are 'anions' formed?
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609e4c75e941dd6183d99e45- 1Addition of electrontrue
- 2Removal of electronfalse
- 3Addition of protonfalse
- 4Removal of protonfalse
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Answer : 1. "Addition of electron "
Q: Neutron was discovered -
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61655f2dd881f961723229c2- 1Chadwicktrue
- 2Newtonfalse
- 3Rutherfordfalse
- 4Thomsonfalse
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Answer : 1. "Chadwick "
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