Chemistry GK Practice Question and Answer
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Q: Starch in potatoes reacts with _____, turning to a blue colour.
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6439228372ca731a99323e96- 1fluorinefalse
- 2Brominefalse
- 3Iodinetrue
- 4Chlorinefalse
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Answer : 3. "Iodine "
Q: Of the options listed below, the speed of sound is highest in _____ at 25°C.
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64391e3719f0af16e3835d86- 1Ethanolfalse
- 2Aluminiumtrue
- 3Oxygenfalse
- 4Hydrogenfalse
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Answer : 2. "Aluminium "
Q: Which of the following is known as artificial silk?
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642c1b64ed76c064b866560c- 1Acrylicfalse
- 2Nylonfalse
- 3Polyesterfalse
- 4Rayontrue
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Answer : 4. "Rayon"
Q: Which of the following is considered to be the fifth state of matter?
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64242bd8dcb650c14569c06c- 1Bose-Einstein condensatetrue
- 2Plasmafalse
- 3Solidfalse
- 4Gasfalse
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Answer : 1. "Bose-Einstein condensate "
Q: Which of the following is a Lewis base?
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63c7b9de8731ac33279af243- 1Ammoniatrue
- 2Magnesium chloridefalse
- 3Aluminum chloridefalse
- 4Sodium ionfalse
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Answer : 1. "Ammonia"
Q:Read the following questions carefully and answer them.
“All the four quantum numbers of two electrons in an atom are not the same.” It is the law of —
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63aaa6fc5770eb565d4ff628- 1Hund’sfalse
- 2Exclusion Principle of Paulitrue
- 3Uncertainty Principle of Heisenbergfalse
- 4Avogadro’s Lawfalse
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Answer : 2. " Exclusion Principle of Pauli "
Q: Which of the given metals cannot be extracted using smelting?
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62f10b533342ab11842d1eb2- 1Fefalse
- 2Altrue
- 3Znfalse
- 4Pbfalse
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Answer : 2. "Al "
Q: Which of the following properties is not often present in organic compounds?
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6127662693f02206607f017f- 1soluble in watertrue
- 2low melting pointfalse
- 3flammabilityfalse
- 4allfalse
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Answer : 1. "soluble in water"
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