Chemistry General Knowledge Questions Practice Question and Answer
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Q: Methane an air pollutant is produced ___________
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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: 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?
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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: How many categories of elements are divided on the basis of properties?
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5eeadf0fad25df5a63247e87- 14false
- 26false
- 33true
- 42false
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Answer : 3. "3"
Q: Gold is alloyed with which metal to make it harder?
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5f571a5b79cfd646ddd37291- 1Cfalse
- 2Snfalse
- 3Cutrue
- 4Agfalse
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Answer : 3. "Cu"
Q: Which of the following is incorrect with reference to hypophysis?
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63c92589be373f6c954b8007- 1It lies a bony depression called sell turcicafalse
- 2Connected to hypothalamus through infundibulumfalse
- 3Anatomically divided into adeno-hypophysis and neurohypophysisfalse
- 4Neurohypophysis synthesizes ADH and OTtrue
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Answer : 4. "Neurohypophysis synthesizes ADH and OT"
Q: The percentage of nitrogen present in ammonium sulphate is:
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60b0d6453f7fb454b9dd0d87- 1$$ 30.5 \% $$false
- 2$$ 18 \% $$false
- 3$$ 21 \% $$true
- 4$$ 25\% $$false
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Answer : 3. "$$ 21 \% $$"
Q: The atoms, in which the number of Protons is same but the number of neutrons is different, are known as –
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5f0ecf31b6738d790d13d1ea- 1Isotonesfalse
- 2Isotopestrue
- 3Isobarsfalse
- 4Isomersfalse
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Answer : 2. "Isotopes"
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