GK Practice Question and Answer
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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: Alkaline solution is the value of Ph.
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5fe9a342755fc73bd07941c7- 1Less than 7false
- 2More than 7true
- 3Zerofalse
- 47false
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Answer : 2. "More than 7"
Q: What happens in most toothpastes to prevent tooth decay?
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5fe9a2ea04717d1a56bf8d1f- 1Bromidefalse
- 2Fluoridetrue
- 3Iodidefalse
- 4Chloridefalse
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Answer : 2. "Fluoride"
Q: Which of the following is the hardest substance?
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5fe9a290755fc73bd079308c- 1Platinumfalse
- 2Diamondtrue
- 3Goldfalse
- 4Silverfalse
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Answer : 2. "Diamond"
Q: The best means of extinguishing petrol fires is-
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5fe9a22704717d1a56bf8c10- 1Baking Powderfalse
- 2Carbon dioxidetrue
- 3Sandfalse
- 4Waterfalse
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Answer : 2. "Carbon dioxide"
Q: Which of the following metals is known as coin metal?
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5fe9a1c9755fc73bd0792d80- 1Copperfalse
- 2Silverfalse
- 3Goldfalse
- 4All of the abovetrue
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Answer : 4. "All of the above"
Q: In the nucleus of Helium,
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5fe9a17300e3f71b8285c3ff- 1four protonsfalse
- 2four neutronsfalse
- 3two neutrons and two protonstrue
- 4four protons and two electronsfalse
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Answer : 3. "two neutrons and two protons"
Q: 'Every substance in the world is made up of very fine particles.' Who said this first?
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5fe9a0d9755fc73bd079298a- 1Daltontrue
- 2Kanadfalse
- 3Rutherfordfalse
- 4Avogadrofalse
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Answer : 1. "Dalton"
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