Chemistry General Knowledge Questions Practice Question and Answer
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Q: Acetic acid is known as ________.
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5f48cf7fcebf7d1232e8bc28- 1Caustic sodafalse
- 2Vinegartrue
- 3Baking sodafalse
- 4Spiritfalse
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Answer : 2. "Vinegar"
Q: Kerosene oil rises up in the wick of lantern because of
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5f43626009e4377de92e96d0- 1The gravitational pull of the wickfalse
- 2Surface tensiontrue
- 3Buoyant force of airfalse
- 4Diffusion of the oil through the wickfalse
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Answer : 2. "Surface tension"
Q: The halogen used as an analgesic is-
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5fbb95d7c8a3f7269c989a24- 1Chlorinefalse
- 2Brominefalse
- 3Iodinetrue
- 4Fluorinefalse
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Answer : 3. "Iodine"
Q: The flavor of apple is mainly due to which one of the following?
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5f324e5aa19eae5979fdd850- 1Ethanoltrue
- 2Acetonefalse
- 3Formalinfalse
- 4Benzenefalse
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Answer : 1. "Ethanol "
Q: Which carbohydrate is used in silvering of mirrors?
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5f2162530d44c43edf026f1c- 1Glucosetrue
- 2Starchfalse
- 3Fructosefalse
- 4Sucrosefalse
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Answer : 1. "Glucose "
Q: Which among the following noble gas has highest molar mass?
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5f083354429a37679ec22f49- 1Krfalse
- 2nefalse
- 3Arfalse
- 4Xetrue
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Answer : 4. "Xe"
Q: Soda lime is a mixture of
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5f86b2978a599d39499b2f7e- 1NaOH + CaCO3false
- 2NaOH + CaOtrue
- 3NaOH + HOHfalse
- 4None of thesefalse
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Answer : 2. "NaOH + CaO"
Q: What percentage of carbon is in steel?
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5feb07d1f33a00432aff075e- 13%false
- 24%false
- 32%true
- 45%false
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Answer : 3. "2%"
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