Chemistry Practice Question and Answer
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Q: Acetic acid is known as ________.
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5f48cf7fcebf7d1232e8bc28- 1Caustic sodafalse
- 2Vinegartrue
- 3Baking sodafalse
- 4Spiritfalse
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Answer : 2. "Vinegar"
Q: Kerosene oil rises up in the wick of lantern because of
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5f43626009e4377de92e96d0- 1The gravitational pull of the wickfalse
- 2Surface tensiontrue
- 3Buoyant force of airfalse
- 4Diffusion of the oil through the wickfalse
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Answer : 2. "Surface tension"
Q: Zinc and lead, than copper?
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5feb02fad6478d50160f01ec- 1is less activefalse
- 2is more activetrue
- 3is equally functionalfalse
- 4Othersfalse
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Answer : 2. "is more active"
Q: Which of the following is a heterogeneous compound?
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5feb04c9f33a00432afef757- 1Plaster of Paristrue
- 2Chalkfalse
- 3Marblefalse
- 4Limestonefalse
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Answer : 1. "Plaster of Paris"
Q: The halogen used as an analgesic is-
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5fbb95d7c8a3f7269c989a24- 1Chlorinefalse
- 2Brominefalse
- 3Iodinetrue
- 4Fluorinefalse
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Answer : 3. "Iodine"
Q: Which of the following is used as a lubricant in heavy machines?
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5f2cf764be9f31290fb85b15- 1Phosphorusfalse
- 2Graphitetrue
- 3Bauxitefalse
- 4Sulphurfalse
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Answer : 2. "Graphite "
Q: The flavor of apple is mainly due to which one of the following?
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5f324e5aa19eae5979fdd850- 1Ethanoltrue
- 2Acetonefalse
- 3Formalinfalse
- 4Benzenefalse
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Answer : 1. "Ethanol "
Q: Which of the following gases is used in cigarette lighter?
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5f155520cf79540a7533b909- 1Propanefalse
- 2Radonfalse
- 3Butanetrue
- 4Methanefalse
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Answer : 3. "Butane "
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