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Recently Added Questions in Science GK

Q: Which of the following gas is used in cigarette lighters ? 67 0

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

Q: The metal used to recover copper from a solution of copper sulphate is ? 66 0

  • 1
    Na
    Correct
    Incorrect
  • 2
    Ag
    Correct
    Incorrect
  • 3
    Hg
    Correct
    Incorrect
  • 4
    Fe
    Correct
    Incorrect
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Answer : 4. "Fe"
Explanation :

Q: Which of the primary component of natural gas? 58 0

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

Q: Atomic number is equal to 63 0

  • 1
    Number of electrons
    Correct
    Incorrect
  • 2
    Numbers of protons
    Correct
    Incorrect
  • 3
    Number of nutron
    Correct
    Incorrect
  • 4
    Total number of protons and neutrons
    Correct
    Incorrect
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Answer : 2. "Numbers of protons"
Explanation :

Q: The most electronegative element among the following is 68 0

  • 1
    sodium
    Correct
    Incorrect
  • 2
    bromine
    Correct
    Incorrect
  • 3
    fluorine
    Correct
    Incorrect
  • 4
    oxygen
    Correct
    Incorrect
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Answer : 3. "fluorine"
Explanation :

Q: Which one of the following metals does not react with water to produce Hydrogen? 62 0

  • 1
    Cadmium
    Correct
    Incorrect
  • 2
    Lithium
    Correct
    Incorrect
  • 3
    Potassium
    Correct
    Incorrect
  • 4
    Sodium
    Correct
    Incorrect
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Answer : 1. "Cadmium"
Explanation :

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