Chemistry General Knowledge Questions Practice Question and Answer
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Q: Which of the following gases turn lime water milky?
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609e4dcc1679a537e39efa2e- 1Carbon Dioxidetrue
- 2Oxygenfalse
- 3Nitrogenfalse
- 4Hydrogenfalse
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Answer : 1. "Carbon Dioxide "
Q: Which of the following is purified by Elevation method-
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5f72f3dea921aa16e68288a7- 1Naphthalenetrue
- 2Etherfalse
- 3Benzoic acidfalse
- 4None of thesefalse
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Answer : 1. "Naphthalene"
Q: What is the function of a catalyst in a chemical reaction?
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63c921fdb338bc336f0ddb80- 1Decrease rate constant of reactionfalse
- 2Increases activation energy of reactionfalse
- 3Reduces enthalpy of reactionfalse
- 4Does not affect the equilibrium constant of reactiontrue
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Answer : 4. "Does not affect the equilibrium constant of reaction"
Q:Read the following questions carefully and answer them.
The polymer used in making plastic crockery is
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63aaaa8ae590d4085fcfe00f- 1Decronfalse
- 2Nylonfalse
- 3Bakelitefalse
- 4Melaminetrue
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Answer : 4. "Melamine"
Q: What will be the work done by 3 moles of an ideal gas when it expands spontaneously in vacuum?
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63c922461c47ef334be202d7- 1Zerotrue
- 2Infinitefalse
- 33 joulesfalse
- 49 joulesfalse
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Answer : 1. "Zero "
Q: Alkali metal can
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5f437f8497c6dd29b38f2e3f- 1Be highly unstable at room temperaturefalse
- 2vaporize at room temperaturefalse
- 3easily lose electronstrue
- 4easily gain electronsfalse
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Answer : 3. "easily lose electrons "
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: Who was the inventor of positron?
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61655bfa7d6182610f5d706e- 1Chadwickfalse
- 2Andersontrue
- 3Rutherfordfalse
- 4J.J. Thomsonfalse
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Answer : 2. "Anderson "
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