Chemistry Practice Question and Answer
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Q: Which of the following is not nucleon?
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5fe1bfc8ce32c8585c73a73c- 1Protonfalse
- 2Neutronfalse
- 3Both (A) and (B)false
- 4Positrontrue
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Answer : 4. "Positron "
Q: Methane an air pollutant is produced ___________
1609 06113d4d088e0566940a8176d
6113d4d088e0566940a8176d- 1by burning of coal in insufficient airfalse
- 2by digestion of food by animalstrue
- 3by action of ultraviolet light on nitrogenous compounds.false
- 4as a by-product of manufacturing ammoniacal fertilizersfalse
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Answer : 2. "by digestion of food by animals"
Q: The atomic nucleus was discovered by
1600 05f0ecca3dcdb5f61f5c4abe9
5f0ecca3dcdb5f61f5c4abe9- 1Einsteinfalse
- 2Thompsonfalse
- 3Rutherfordtrue
- 4Daltonfalse
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Answer : 3. "Rutherford "
Q: In which of the following chlorine has + 1 oxidation number?
1589 05ee0d1d3ca41b347ed350a6c
5ee0d1d3ca41b347ed350a6c- 1Zinc chloridefalse
- 2Chlorinefalse
- 3Hypochlorous acidtrue
- 4Hydrochloric acidfalse
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Answer : 3. "Hypochlorous acid"
Q: Which of the following metals can be cut with a knife?
1583 05feb06f200e3f71b828c287a
5feb06f200e3f71b828c287a- 1Magnesiumfalse
- 2Sulfurfalse
- 3Sodiumtrue
- 4Chromiumfalse
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Answer : 3. "Sodium"
Q: Burning of Hydrogen produces
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5f0439f6d996064ceba91846- 1Soilfalse
- 2Watertrue
- 3Oxygenfalse
- 4Ashfalse
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Answer : 2. "Water"
Q: Which of the following is not a normal salt?
1534 05fe9a5d9755fc73bd0795223
5fe9a5d9755fc73bd0795223- 1$$ {Na_2SO_4}$$false
- 2$$ {NaHSO_4}$$true
- 3$$ {Na_3PO_4}$$false
- 4$$ {CaSO_4}$$false
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Answer : 2. "$$ {NaHSO_4}$$"
Q: What is the mass number of an element, the atom of which contains two Protons, two neutrons and two electrons?
1533 05ee35e7455d51a0f6482cd3c
5ee35e7455d51a0f6482cd3c- 12false
- 24true
- 36false
- 48false
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Answer : 2. "4 "
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