Chemistry General Knowledge Questions Practice Question and Answer
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Q: Alkali metal can
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5f437f8497c6dd29b38f2e3f- 1Be highly unstable at room temperaturefalse
- 2vaporize at room temperaturefalse
- 3easily lose electronstrue
- 4easily gain electronsfalse
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Answer : 3. "easily lose electrons "
Q:Read the following questions carefully and answer them.
The polymer used in making plastic crockery is
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63aaaa8ae590d4085fcfe00f- 1Decronfalse
- 2Nylonfalse
- 3Bakelitefalse
- 4Melaminetrue
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Answer : 4. "Melamine"
Q: Which of the following is an organic compound with the formula C6H4Cl2 that is used as a fumigant insecticide to control cloth months?
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6441214c72ca731a9945cdd8- 1Paradichlorobenzenetrue
- 2Chlorobenzenefalse
- 3Benzoyl chloridefalse
- 4Ethylbenzenefalse
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Answer : 1. "Paradichlorobenzene"
Q: What is the basic element of all organic compounds?
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5f7456a94637db732832dd4c- 1Nitrogenfalse
- 2Oxygenfalse
- 3Carbontrue
- 4Sulfurfalse
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Answer : 3. "Carbon"
Q: What is the function of a catalyst in a chemical reaction?
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63c921fdb338bc336f0ddb80- 1Decrease rate constant of reactionfalse
- 2Increases activation energy of reactionfalse
- 3Reduces enthalpy of reactionfalse
- 4Does not affect the equilibrium constant of reactiontrue
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Answer : 4. "Does not affect the equilibrium constant of reaction"
Q: Oxygenation is a chemical reaction in which
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5f7458b14637db732832e936- 1The electron is discarded.false
- 2Oxygen is a combination.false
- 3The ratio of the positive group increases.false
- 4All of the abovetrue
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Answer : 4. "All of the above"
Q:Read the following questions carefully and answer them.
The advantage of detergents over soaps is
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63aaa809afa10611461dc17d- 1Detergents are soluble in waterfalse
- 2Detergents could not give much latherfalse
- 3Detergents give lather even with hard watertrue
- 4Soaps give lather with only soft waterfalse
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Answer : 3. "Detergents give lather even with hard water "
Q: Which of the following process is used to do maximum work done on the ideal gas if the gas is compressed to half of its initial volume?
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63c920deb338bc336f0dd8d6- 1Isothermalfalse
- 2Isochoricfalse
- 3Isobaricfalse
- 4Adiabatictrue
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Answer : 4. "Adiabatic"
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