Chemistry GK Practice Question and Answer
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Q: Which of the following is the conductor of nonmetal electricity?
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5feb069af33a00432afeff9b- 1graphitetrue
- 2Copperfalse
- 3Sulfurfalse
- 4diamondfalse
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Answer : 1. "graphite"
Q: With which substance is it beneficial to treat a bee sting?
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5feb05e8f33a00432afefd0e- 1Baking Sodatrue
- 2sodium carbonatefalse
- 3sodium chloridefalse
- 4Othersfalse
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Answer : 1. "Baking Soda"
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: Approximate pH value of lemon juice?
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5feb056c00e3f71b828c2206- 110false
- 22.2true
- 312false
- 414false
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Answer : 2. "2.2"
Q: Which acid is found in vinegar?
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5feb0482f6205c4d625d17c4- 1lactic acidfalse
- 2citric acidfalse
- 3Methanoic acidfalse
- 4Acetic acidtrue
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Answer : 4. "Acetic acid"
Q: A fermentation of grapes?
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5feb034bf33a00432afeea62- 1chemical change istrue
- 2physical changefalse
- 3Both chemical and physical changesfalse
- 4Othersfalse
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Answer : 1. "chemical change is"
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: What is an oxidation-reduction reaction called?
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5feb01ebf6205c4d625d0454- 1endothermic reactionfalse
- 2Redox reactiontrue
- 3precipitation reactionfalse
- 4exothermic reactionfalse
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Answer : 2. "Redox reaction"
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