Chemistry General Knowledge Questions Practice Question and Answer
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Q: Which of the following methods is best suited for the separation of a mixture containing naphthalene and benzoic acid
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63c8f8d3bdbddb32fda0eb03- 1Crystallizationfalse
- 2Chromatographyfalse
- 3Sublimationtrue
- 4Distillationfalse
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Answer : 3. "Sublimation"
Q: In which of the following classifications are the elements arranged in the order of their increasing atomic number?
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60827cb45027727e2faa5d77- 1The Modern Periodic Tabletrue
- 2Mendeleev's Periodic Table/false
- 3Newland's Law of Octavesfalse
- 4Dobereiner's Triadsfalse
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Answer : 1. "The Modern Periodic Table "
Q: The brand name Teflon represents which polymer?
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6389c0e39ebad6607b7f646d- 1Polystyrenefalse
- 2Polypropylenefalse
- 3Polytetrafluoroethylenetrue
- 4Polyethylene terephthalatefalse
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Answer : 3. "Polytetrafluoroethylene"
Q: The gas which is present in both the natural gas and the bio-gas is
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638ddfd634f83f14728de825- 1Methanetrue
- 2Butanefalse
- 3Hydrogenfalse
- 4Carbon Monoxidefalse
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Answer : 1. "Methane"
Q:Read the following questions carefully and answer them.
The gas used for artificial fruit ripening of green fruit is —
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63aaa7625770eb565d4ffc85- 1Ethylenetrue
- 2Acetylenefalse
- 3Ethanefalse
- 4Methanefalse
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Answer : 1. "Ethylene "
Q: In chemistry, soap is a salt of a ............
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6389c06aa528960cccf4af4e- 1Fatty acidtrue
- 2Glycolfalse
- 3Phosphorousfalse
- 4Ammounium Carbonatefalse
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Answer : 1. "Fatty acid"
Q: Which of the following is an oxidising agent ?
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6258f7b7f5fb9a2759f0c057- 1KMnO4false
- 2K2 Cr2 07false
- 3HNO3false
- 4All of the abovetrue
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Answer : 4. "All of the above "
Q: The common name of dichlorodifluoromethane is _____.
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62cd637951fe3472d6b30512- 1gypsumfalse
- 2boraxfalse
- 3galenafalse
- 4Freontrue
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