Chemistry Practice Question and Answer
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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: Which metal reacts with water?
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61275b3bb05363065a00517c- 1goldfalse
- 2Potassiumtrue
- 3Silverfalse
- 4Leadfalse
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Answer : 2. "Potassium"
Q: Food is cooked in a metal utensil because it is the source of heat.
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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 non-metals is shiny?
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61275ab6dbe92e068b91060b- 1Carbonfalse
- 2Iodinefalse
- 3Sulfurfalse
- 4Brominetrue
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Answer : 4. "Bromine"
Q: Which metal floats when put in water?
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61275a37302e8b067c99aa84- 1Calciumtrue
- 2Nickelfalse
- 3Magnesiumfalse
- 4Potassiumfalse
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Answer : 1. "Calcium"
Q: Which metal does not react with oxygen even at high temperature?
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612759fb302e8b067c99a4be- 1Ironfalse
- 2goldtrue
- 3Potassiumfalse
- 4Aluminumfalse
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Answer : 2. "gold"
Q: What is the percentage of carbon in steel?
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612759cdb05363065a00450e- 13 %false
- 24 %false
- 32 %true
- 45 %false
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Answer : 3. "2 %"
Q: Which gas is deposited at the anode on electrolysis of alumina?
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61275989dbe92e068b90f6be- 1Hydrogen gasfalse
- 2Nitrogen gasfalse
- 3carbon dioxide gasfalse
- 4Oxygen gastrue
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Answer : 4. "Oxygen gas"
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