Chemistry GK Practice Question and Answer
8 4 Q:
61275af7302e8b067c99af50 4 Q:
61275cd493f02206607eb0af Answer : 2. "Mercury"
4 Q:
61275989dbe92e068b90f6be 4 Q:
5feb01ebf6205c4d625d0454 4 Q:
61275b84b05363065a005e7a 4 Q:
61275da3302e8b067c99cde6 4 Q:
61275c5e302e8b067c99c5ab 4 Q:
61275de893f02206607eb973
Q: Food is cooked in a metal utensil because it is the source of heat.
737 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 these metals is found in liquid state?
724 061275cd493f02206607eb0af
61275cd493f02206607eb0af- 1Ironfalse
- 2Mercurytrue
- 3Silverfalse
- 4Othersfalse
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Answer : 2. "Mercury"
Explanation :
Mercury is the only metal that is liquid at normal temperatures.
Q: Which gas is deposited at the anode on electrolysis of alumina?
717 061275989dbe92e068b90f6be
61275989dbe92e068b90f6be- 1Hydrogen gasfalse
- 2Nitrogen gasfalse
- 3carbon dioxide gasfalse
- 4Oxygen gastrue
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Answer : 4. "Oxygen gas"
Q: What is an oxidation-reduction reaction called?
708 05feb01ebf6205c4d625d0454
5feb01ebf6205c4d625d0454- 1endothermic reactionfalse
- 2Redox reactiontrue
- 3precipitation reactionfalse
- 4exothermic reactionfalse
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Answer : 2. "Redox reaction"
Q: Melting and boiling points of ionic compounds -
698 061275b84b05363065a005e7a
61275b84b05363065a005e7a- 1contains the followingfalse
- 2are hightrue
- 3are normalfalse
- 4All the statements are truefalse
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Answer : 2. "are high"
Q: Which of the following metals is available in wire form?
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61275da3302e8b067c99cde6- 1Calciumfalse
- 2Magnesiumfalse
- 3Coppertrue
- 4Leadfalse
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Answer : 3. "Copper"
Q: Gold is used to make jewelery?
673 061275c5e302e8b067c99c5ab
61275c5e302e8b067c99c5ab- 122 caratstrue
- 224 caratfalse
- 316 caratsfalse
- 423 caratsfalse
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Answer : 1. "22 carats"
Q: Which of the following are metals found in free state in the earth's crust?
667 061275de893f02206607eb973
61275de893f02206607eb973- 1Agtrue
- 2Mgfalse
- 3Alfalse
- 4Znfalse
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Answer : 1. "Ag"
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