Chemistry GK Practice Question and Answer
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Q: Zinc and lead, than copper?
4143 05feb02fad6478d50160f01ec
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?
3901 05feb04c9f33a00432afef757
5feb04c9f33a00432afef757- 1Plaster of Paristrue
- 2Chalkfalse
- 3Marblefalse
- 4Limestonefalse
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Answer : 1. "Plaster of Paris"
Q: What is liberated when the base is dissolved in water?
1375 05f699109397b1a52908c9799
5f699109397b1a52908c9799- 1(OH) - iontrue
- 2H + ionfalse
- 3Both ionsfalse
- 4No ionfalse
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Answer : 1. "(OH) - ion"
Q: Approximate pH value of lemon juice?
1320 05feb056c00e3f71b828c2206
5feb056c00e3f71b828c2206- 110false
- 22.2true
- 312false
- 414false
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Answer : 2. "2.2"
Q: A fermentation of grapes?
1304 05feb034bf33a00432afeea62
5feb034bf33a00432afeea62- 1chemical change istrue
- 2physical changefalse
- 3Both chemical and physical changesfalse
- 4Othersfalse
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Answer : 1. "chemical change is"
Q: Which of the following is the softest?
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5eeb1496eee45c3b837b0312- 1Sodiumtrue
- 2Copperfalse
- 3Ironfalse
- 4Aluminumfalse
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Answer : 1. "Sodium"
Q: Which acid is found in vinegar?
1016 05feb0482f6205c4d625d17c4
5feb0482f6205c4d625d17c4- 1lactic acidfalse
- 2citric acidfalse
- 3Methanoic acidfalse
- 4Acetic acidtrue
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Answer : 4. "Acetic acid"
Q: Thin wires can be pulled from a metal piece. For which property of the metal is it responsible?
977 05feb0909f33a00432aff0fc3
5feb0909f33a00432aff0fc3- 1Tensiletrue
- 2hardnessfalse
- 3Malignancyfalse
- 4conductivityfalse
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Answer : 1. "Tensile"
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