Chemistry General Knowledge Questions Practice Question and Answer
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Q: Which is the most economical method of removing solid matter from water?
498 062de70c3313eb40eb89fc948
62de70c3313eb40eb89fc948- 1Using deactivated carbonfalse
- 2Electrolysisfalse
- 3Distillationfalse
- 4Sedimentationtrue
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Answer : 4. "Sedimentation"
Q: The common name of dichlorodifluoromethane is _____.
518 062cd637951fe3472d6b30512
62cd637951fe3472d6b30512- 1gypsumfalse
- 2boraxfalse
- 3galenafalse
- 4Freontrue
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Answer : 4. "Freon"
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 is/are the example/examples of chemical change?
(1) . Crystallization of sodium chloride
(2) . Melting of ice
(3) . Souring of milk
Select the correct answer using the code given below.
475 062ac7aa2184ea83a6380a6d9
62ac7aa2184ea83a6380a6d9- 13 onlytrue
- 21, 2 and 3false
- 31 and 2 onlyfalse
- 4Nonefalse
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Answer : 1. "3 only "
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: 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: Oiled paper is?
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61ea7f30e3f9cf3e03e0f578- 1Translatorfalse
- 2opaquetrue
- 3transparentfalse
- 4none of thesefalse
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Answer : 2. "opaque"
Q: Neutron was discovered -
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61655f2dd881f961723229c2- 1Chadwicktrue
- 2Newtonfalse
- 3Rutherfordfalse
- 4Thomsonfalse
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Answer : 1. "Chadwick "
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