General Science Questions Practice Question and Answer

Q:

Which of the following types of Noble gas is used for unconsciousness?

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  • 1
    Zenon
    Correct
    Wrong
  • 2
    Aragan
    Correct
    Wrong
  • 3
    Neon
    Correct
    Wrong
  • 4
    Helayam
    Correct
    Wrong
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Answer : 1. "Zenon"

Q:

The important metal used with iron to make it rust-free – 

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  • 1
    Aluminum
    Correct
    Wrong
  • 2
    Carbon
    Correct
    Wrong
  • 3
    Chromium
    Correct
    Wrong
  • 4
    Tin
    Correct
    Wrong
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Answer : 3. "Chromium "

Q:

The O T C medicine crocin is an-

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  • 1
    Analgesic
    Correct
    Wrong
  • 2
    Antipyretic
    Correct
    Wrong
  • 3
    Analgesic and antipyretic
    Correct
    Wrong
  • 4
    Antiseptic
    Correct
    Wrong
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Answer : 2. "Antipyretic"

Q:

Which mixture of metal is used in the Gunmetal?

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  • 1
    Copper, Tin, Zinc
    Correct
    Wrong
  • 2
    Copper, Lead, Gold
    Correct
    Wrong
  • 3
    Copper, Zinc, Lead
    Correct
    Wrong
  • 4
    Copper, Iron, Nickel
    Correct
    Wrong
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Answer : 1. "Copper, Tin, Zinc"

Q:

What is the chemical name of Chalk?

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  • 1
    Calcium Sulphate
    Correct
    Wrong
  • 2
    Calcium Nitrate
    Correct
    Wrong
  • 3
    Calcium Phosphide
    Correct
    Wrong
  • 4
    Calcium Carbonate
    Correct
    Wrong
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Answer : 4. "Calcium Carbonate"

Q:

Water can be separated from alcohol water mixture by 

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  • 1
    Decantation
    Correct
    Wrong
  • 2
    Evaporation
    Correct
    Wrong
  • 3
    Distillation
    Correct
    Wrong
  • 4
    Sublimation
    Correct
    Wrong
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Answer : 3. "Distillation "

Q:

Which of the following has a very strong aroma of the fruit?

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  • 1
    Ethyl acetate
    Correct
    Wrong
  • 2
    Methanol
    Correct
    Wrong
  • 3
    Methyl chloride
    Correct
    Wrong
  • 4
    Methanoic acid
    Correct
    Wrong
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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:

Microphone is a device which transforms the 

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  • 1
    sound signal into current signal
    Correct
    Wrong
  • 2
    current signal into sound signal
    Correct
    Wrong
  • 3
    sound signal into light signal
    Correct
    Wrong
  • 4
    light signal into sound signal
    Correct
    Wrong
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Answer : 1. "sound signal into current signal "

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