General Science Questions Practice Question and Answer
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5ef97200d7fe817321a63486 Answer : 1. "Ethyl acetate"
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Q: Which of the following types of Noble gas is used for unconsciousness?
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5e1806d87c56bf1f839c79c8- 1Zenontrue
- 2Araganfalse
- 3Neonfalse
- 4Helayamfalse
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Answer : 1. "Zenon"
Q: The important metal used with iron to make it rust-free –
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5ec724fb9d324637e76c0986- 1Aluminumfalse
- 2Carbonfalse
- 3Chromiumtrue
- 4Tinfalse
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Answer : 3. "Chromium "
Q: What is the chemical name of Chalk?
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5e7d9bdb964aff79eb57e6e9- 1Calcium Sulphatefalse
- 2Calcium Nitratefalse
- 3Calcium Phosphidefalse
- 4Calcium Carbonatetrue
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Answer : 4. "Calcium Carbonate"
Q: Water can be separated from alcohol water mixture by
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5ddcedf3874e270a9a392728- 1Decantationfalse
- 2Evaporationfalse
- 3Distillationtrue
- 4Sublimationfalse
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Answer : 3. "Distillation "
Q: Which of the following has a very strong aroma of the fruit?
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5ef97200d7fe817321a63486- 1Ethyl acetatetrue
- 2Methanolfalse
- 3Methyl chloridefalse
- 4Methanoic acidfalse
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Answer : 1. "Ethyl acetate"
Explanation :
This colorless liquid has a characteristic sweet smell (similar to pear drops) and is used in glues, nail polish removers, and in the decaffeination process of tea and coffee. Ethyl acetate is the ester of ethanol and acetic acid; it is manufactured on a large scale for use as a solvent.
Q: The O T C medicine crocin is an-
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5e7c318f7af3db16e180bd20- 1Analgesicfalse
- 2Antipyretictrue
- 3Analgesic and antipyreticfalse
- 4Antisepticfalse
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Answer : 2. "Antipyretic"
Q: Which mixture of metal is used in the Gunmetal?
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5e1700a16f520278744ac35b- 1Copper, Tin, Zinctrue
- 2Copper, Lead, Goldfalse
- 3Copper, Zinc, Leadfalse
- 4Copper, Iron, Nickelfalse
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Answer : 1. "Copper, Tin, Zinc"
Q: Photon is the fundamental unit/quantum of :
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5ebb7fa98dce175b2cb9bcbf- 1Gravitationfalse
- 2Electricityfalse
- 3Magnetismfalse
- 4Lighttrue
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Answer : 4. "Light "
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