Chemistry Practice Question and Answer
8 4 Q:
62ac7aa2184ea83a6380a6d9 4 Q:
6258f7b7f5fb9a2759f0c057 4 Q:
6245534c398e4a497b3e9570 4 Q:
61ea7f30e3f9cf3e03e0f578 4 Q:
61655f2dd881f961723229c2 4 Q:
61655c5bd881f96172322089 4 Q:
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613ac986dffb173b7bd55970
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.
481 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 ?
553 06258f7b7f5fb9a2759f0c057
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 ?
729 06245534c398e4a497b3e9570
6245534c398e4a497b3e9570- 1Chrome redfalse
- 2Sodium thisosulphatetrue
- 3Hydrogen peroxidefalse
- 4Calomelfalse
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Answer : 2. "Sodium thisosulphate "
Q: Oiled paper is?
666 061ea7f30e3f9cf3e03e0f578
61ea7f30e3f9cf3e03e0f578- 1Translatorfalse
- 2opaquetrue
- 3transparentfalse
- 4none of thesefalse
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Answer : 2. "opaque"
Q: Neutron was discovered -
750 061655f2dd881f961723229c2
61655f2dd881f961723229c2- 1Chadwicktrue
- 2Newtonfalse
- 3Rutherfordfalse
- 4Thomsonfalse
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Answer : 1. "Chadwick "
Q: Curie is the unit of:
860 061655c5bd881f96172322089
61655c5bd881f96172322089- 1Heatfalse
- 2Energyfalse
- 3Radioactivitytrue
- 4Temperaturefalse
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Answer : 3. "Radioactivity "
Q: Who was the inventor of positron?
904 061655bfa7d6182610f5d706e
61655bfa7d6182610f5d706e- 1Chadwickfalse
- 2Andersontrue
- 3Rutherfordfalse
- 4J.J. Thomsonfalse
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Answer : 2. "Anderson "
Q: Which of the following compound contains only Carbon and Hydrogen atoms in their formation?
675 0613ac986dffb173b7bd55970
613ac986dffb173b7bd55970- 1Chloroformfalse
- 2Teflonfalse
- 3Ethanolfalse
- 4Benzenetrue
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Answer : 4. "Benzene"
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