Chemistry General Knowledge Questions Practice Question and Answer
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Q: Which of the following is an organic compound with the formula C6H4Cl2 that is used as a fumigant insecticide to control cloth months?
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6441214c72ca731a9945cdd8- 1Paradichlorobenzenetrue
- 2Chlorobenzenefalse
- 3Benzoyl chloridefalse
- 4Ethylbenzenefalse
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Answer : 1. "Paradichlorobenzene"
Q: _______ expansion makes the Eiffel Tower taller during summers.
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62bec77225fd051a65657af2- 1Gravitationalfalse
- 2Gradientfalse
- 3Chemicalfalse
- 4Thermaltrue
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Answer : 4. "Thermal"
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: 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 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: Which one of the following is non-reducing sugar?
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638de33134f83f14728e2d6e- 1Glucosefalse
- 2Sucrosetrue
- 3Maltosefalse
- 4Lactosefalse
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Answer : 2. "Sucrose"
Q: Find the compound which undergoes nucleophilic substitution reaction exclusively by an SN1 mechanism
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63c921a2bdbddb32fda19117- 1Benzyl chloridetrue
- 2Chlorobenzenefalse
- 3Ethyl chloridefalse
- 4Isopropyl chloridefalse
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Answer : 1. "Benzyl chloride "
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