Chemistry GK Practice Question and Answer
8 4 Q:
61276441dbe92e068b9154b4 4 Q:
61275af7302e8b067c99af50 4 Q:
5f697fd0397b1a52908c1074 4 Q:
61275b84b05363065a005e7a 4 Q:
612765e4b05363065a00aedf 4 Q:
6127594bdbe92e068b90f4f2 4 Q:
64b51d2e568e7ff594b01e05 Answer : 1. "Alcohol"
4 Q:
5f6979af558d255013b234b3
Q: The alloy of lead and tin is called?
1576 061276441dbe92e068b9154b4
61276441dbe92e068b9154b4- 1Steelfalse
- 2metalloidsfalse
- 3Gun Matonfalse
- 4soldertrue
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Answer : 4. "solder"
Q: Food is cooked in a metal utensil because it is the source of heat.
1575 061275af7302e8b067c99af50
61275af7302e8b067c99af50- 1is a good conductortrue
- 2is a semiconductorfalse
- 3is a bad conductorfalse
- 4is both a conductor and a good conductorfalse
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Answer : 1. "is a good conductor"
Q: Which of the following drugs is used to treat indigestion?
1566 05f697fd0397b1a52908c1074
5f697fd0397b1a52908c1074- 1Antacidtrue
- 2Antibioticfalse
- 3Analgesicfalse
- 4Antisepticfalse
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Answer : 1. "Antacid"
Q: Melting and boiling points of ionic compounds -
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61275b84b05363065a005e7a- 1contains the followingfalse
- 2are hightrue
- 3are normalfalse
- 4All the statements are truefalse
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Answer : 2. "are high"
Q: Gas is produced by the reaction of steam on iron?
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612765e4b05363065a00aedf- 1Hydrogen gastrue
- 2Oxygen gasfalse
- 3ammonia gasfalse
- 4Nitrogen gasfalse
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Answer : 1. "Hydrogen gas"
Q: Is it an ore of zinc?
1545 06127594bdbe92e068b90f4f2
6127594bdbe92e068b90f4f2- 1Zinc Bladetrue
- 2Bauxitefalse
- 3sodium chloridefalse
- 4Sinawarfalse
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Answer : 1. "Zinc Blade"
Q: Identify a class of compounds that has a functional group –OH.
1537 064b51d2e568e7ff594b01e05
64b51d2e568e7ff594b01e05- 1Alcoholtrue
- 2Ethanefalse
- 3Ketonefalse
- 4Aldehydefalse
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Answer : 1. "Alcohol"
Explanation :
1. That class of compounds, which contain a functional group –OH, is called alcohol.
2. Alcohols contain a hydrogen atom and a hydroxyl group (-OH) along with a carbon atom.
3. The hydroxyl group is a polar group, which makes the alcohol soluble in water.
Q: What type of chemical reaction is combustion of natural gas?
1537 05f6979af558d255013b234b3
5f6979af558d255013b234b3- 1combination reactionfalse
- 2decomposition reactionfalse
- 3exothermic reactiontrue
- 4dissolution reactionfalse
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Answer : 3. "exothermic reaction"
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