Science GK Practice Question and Answer

Q: Which one of the following is the softest? 1632 0

  • 1
    sodium
    Correct
    Wrong
  • 2
    iron
    Correct
    Wrong
  • 3
    aluminium
    Correct
    Wrong
  • 4
    lithium
    Correct
    Wrong
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Answer : 1. "sodium"

Q: Which one of the following gas is readily soluble in water at room temperature ? 9750 0

  • 1
    chlorine
    Correct
    Wrong
  • 2
    nitrogen
    Correct
    Wrong
  • 3
    ammonia
    Correct
    Wrong
  • 4
    carbon dioxide
    Correct
    Wrong
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Answer : 4. "carbon dioxide"

Q: Which of the following gas is used in cigarette lighters ? 1796 0

  • 1
    Butane
    Correct
    Wrong
  • 2
    Propane
    Correct
    Wrong
  • 3
    Methane
    Correct
    Wrong
  • 4
    Ethane
    Correct
    Wrong
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Answer : 1. "Butane"

Q: Who is regarded as father of modern chemistry ? 1847 0

  • 1
    Ruterford
    Correct
    Wrong
  • 2
    Einstein
    Correct
    Wrong
  • 3
    Lavoisier
    Correct
    Wrong
  • 4
    C V Raman
    Correct
    Wrong
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Answer : 3. "Lavoisier"

Q: The term PVC used in the plastic industry stands for 1608 0

  • 1
    polyvinyl choloride
    Correct
    Wrong
  • 2
    polyvinyl carbotate
    Correct
    Wrong
  • 3
    phosphor vanadiu chloride
    Correct
    Wrong
  • 4
    phosphavinyl chloride
    Correct
    Wrong
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Answer : 1. "polyvinyl choloride"

Q: What is a mixture of potassium nitrate powdered charcoal and sulphur called? 1461 0

  • 1
    paint
    Correct
    Wrong
  • 2
    aluminium
    Correct
    Wrong
  • 3
    brass
    Correct
    Wrong
  • 4
    gun powder
    Correct
    Wrong
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Answer : 4. "gun powder"

Q: Which have the maximum density ? 2248 0

  • 1
    water
    Correct
    Wrong
  • 2
    Benzene
    Correct
    Wrong
  • 3
    Ice
    Correct
    Wrong
  • 4
    Chloroform
    Correct
    Wrong
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Answer : 1. "water"

Q:

जब मानव हृदय में वाम निलय सिकुड़ता है , तो रक्त किसकी तरफ प्रवाहित होता है ? 

1628 0

  • 1
    मस्तिष्क
    Correct
    Wrong
  • 2
    फुफ्फुसीय धमनी
    Correct
    Wrong
  • 3
    महाधमनी
    Correct
    Wrong
  • 4
    फुफ्फुस
    Correct
    Wrong
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Answer : 3. "महाधमनी "

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