Chemistry Practice Question and Answer
8 Q: The air is the example of:
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5ee0d53b1541492ae598124e- 1The solution of solid in the gasfalse
- 2The solution of gas in the gastrue
- 3The solution of liquid in the gasfalse
- 4The solution of liquid in the solidfalse
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Answer : 2. "The solution of gas in the gas"
Q: The basis of classification of elements in modern periodic table is based on___.
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5f8fcca5c380c466d4dcef2c- 1Atomic numbertrue
- 2Atomic massfalse
- 3Atomic volumefalse
- 4Atomic densityfalse
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Answer : 1. "Atomic number "
Q: What are the main components of Brass Alloy?
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5f43818597c6dd29b38f3769- 1Copper and Zinctrue
- 2Copper, Zinc and Nickelfalse
- 3Copper and Strontiumfalse
- 4Copper and Nickelfalse
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Answer : 1. "Copper and Zinc"
Q: Diamond has the nature of chemical bond?
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5eeadec5ad25df5a63247e16- 1Ionicfalse
- 2Metallicfalse
- 3Deputy Co-ordinatorfalse
- 4covalenttrue
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Answer : 4. "covalent"
Q: Lewis concept does explain the behaviour of __________
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63c7bc051c47ef334bdd8c98- 1Basesfalse
- 2Saltsfalse
- 3Protonic acidstrue
- 4Amphoteric substancesfalse
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Answer : 3. "Protonic acids"
Q: The general name of the elements of 17th group are
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5f5721e0df171125cbc1ae4f- 1Metalsfalse
- 2Noble gasesfalse
- 3Transition elementsfalse
- 4Halogenstrue
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Answer : 4. "Halogens"
Q: Which law was studied in the year 1787, in which it was said that the volume of a gas increases with its absolute temperature and if its absolute temperature decreases, then its volume will decrease?
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64b5204188d5e4f52dd2277b- 1Boyle’s lawfalse
- 2Dalton’s lawfalse
- 3Avogadro’s lawfalse
- 4Charles's lawtrue
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Answer : 4. "Charles's law"
Explanation :
1. Charles's law (also known as volume law) is an experimental gas law.
2. The volume of a gas increases with its absolute temperature and as its absolute temperature decreases its volume also decreases.
3. Charles's law was studied in the year 1787.
Q: Ant stings occur in?
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5eeb11b813d72d584fb3fef0- 1oxide acidfalse
- 2Formic acidtrue
- 3lactic acidfalse
- 4None of thesefalse
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