Chemistry Practice Question and Answer
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Q: A strong acid has a ______________
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63c7b6411e8e3f3e1a35cf4b- 1Weak conjugate acidfalse
- 2Weak conjugate basetrue
- 3Strong conjugate basefalse
- 4Strong conjugate acidfalse
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Answer : 2. "Weak conjugate base"
Q: Which of the following is used as raw material for the manufacture of rayon?
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6389c46c9ebad6607b7f78db- 1Coalfalse
- 2Petroleumfalse
- 3Cellulosetrue
- 4Plasticfalse
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Answer : 3. "Cellulose"
Q: Which of the following are metals found in free state in the earth's crust?
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61275de893f02206607eb973- 1Agtrue
- 2Mgfalse
- 3Alfalse
- 4Znfalse
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Answer : 1. "Ag"
Q: Fe has 26 protons in its nucleus. What are the number of electrons in Fe2+ (II) ion?
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62f32f6209a97851b630ae7b- 124true
- 226false
- 328false
- 413false
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Answer : 1. "24"
Q: Which metal reacts with water?
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61275b3bb05363065a00517c- 1goldfalse
- 2Potassiumtrue
- 3Silverfalse
- 4Leadfalse
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Answer : 2. "Potassium"
Q: The gas which is present in both the natural gas and the bio-gas is
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638ddfd634f83f14728de825- 1Methanetrue
- 2Butanefalse
- 3Hydrogenfalse
- 4Carbon Monoxidefalse
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Answer : 1. "Methane"
Q: During uniform motion of an object along a straight line, its ___________ remains constant with time.
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608926140ac1df7d9f80c934- 1accelerationfalse
- 2velocitytrue
- 3forcefalse
- 4decelerationfalse
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Answer : 2. "velocity "
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"
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