Chemistry General Knowledge Questions Practice Question and Answer
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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"
Q: What is the common name of CaoCl2?
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609e4cd76397877f31963e9f- 1Washing Sodafalse
- 2Bleaching Powdertrue
- 3Baking Powderfalse
- 4Baking Sodafalse
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Answer : 2. "Bleaching Powder "
Q: Nowadays yellow lamps are being used in abundance in street lights. Which of the following gas are used in these lamps?
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5f745b0ff66ef56de842ca1c- 1Sodiumtrue
- 2Neonfalse
- 3Hydrogenfalse
- 4Nitrogenfalse
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Answer : 1. "Sodium"
Q: A radio-active substance has a half life of six months. Three-fourth of the substance will decay in____.
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5f48d6b3e7f09063e630a3d9- 1Six monthsfalse
- 2Ten monthsfalse
- 3Twelve monthstrue
- 4Twenty four monthsfalse
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Answer : 3. "Twelve months"
Q: Water in case of HCl acts as a/an ___________, in case of ammonia acts as a/an ________
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63c7c8d3be373f6c9546a490- 1Base, basefalse
- 2Base, acidtrue
- 3Acid, basefalse
- 4Acid, acidfalse
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Answer : 2. "Base, acid "
Q: In which process is a protective zinc coating applied on iron to prevent it from rusting?
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60927508cc29175f0f879192- 1Galvanisationtrue
- 2Annealingfalse
- 3Smeltingfalse
- 4Weldingfalse
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Answer : 1. "Galvanisation"
Q: How are 'anions' formed?
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609e4c75e941dd6183d99e45- 1Addition of electrontrue
- 2Removal of electronfalse
- 3Addition of protonfalse
- 4Removal of protonfalse
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Answer : 1. "Addition of electron "
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