Chemistry 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 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: Which gas is known as 'noble gas' ?
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5ef2f5457c1ec61320b14d6b- 1Heliumtrue
- 2Carbon dioxidesfalse
- 3Hydrogenfalse
- 4Oxygenfalse
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Answer : 1. "Helium "
Q: Curie is the unit of:
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61655c5bd881f96172322089- 1Heatfalse
- 2Energyfalse
- 3Radioactivitytrue
- 4Temperaturefalse
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Answer : 3. "Radioactivity "
Q: Which gas is produced when the dilute acids are reacted with metals?
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5f6c2b8fec13dd7480fadce1- 1Hydrogentrue
- 2nitrogenfalse
- 3Carbon dioxidefalse
- 4Oxygenfalse
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Answer : 1. "Hydrogen"
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: The tendency to give up electrons is called-
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5f745960a921aa16e68b8a63- 1Oxidationtrue
- 2Reductionfalse
- 3Catalysisfalse
- 4Motivationfalse
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Answer : 1. "Oxidation "
Q: Which of the following energy is most used in organic quantities?
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6329be895c208a6bf7ddd993- 1Solar Energytrue
- 2Petroleum Energyfalse
- 3Atomic Energyfalse
- 4Coal Energyfalse
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Answer : 1. "Solar Energy"
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