Chemistry General Knowledge Questions Practice Question and Answer

Q:

Bronze is an alloy of – 

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  • 1
    Copper and zinc
    Correct
    Wrong
  • 2
    Copper and Lead
    Correct
    Wrong
  • 3
    Copper and Tin
    Correct
    Wrong
  • 4
    Copper and Silver
    Correct
    Wrong
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Answer : 3. "Copper and Tin "

Q:

Electronic configuration of the outer shell of the element Gd with atomic number 64 is

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  • 1
    4f4 5df 6s1
    Correct
    Wrong
  • 2
    4f3 5df 6s2
    Correct
    Wrong
  • 3
    4f5 5d4 6s1
    Correct
    Wrong
  • 4
    4f7 5d1 6s2
    Correct
    Wrong
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Answer : 4. "4f7 5d1 6s2"

Q:

Oxygenation is a chemical reaction in which

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  • 1
    The electron is discarded.
    Correct
    Wrong
  • 2
    Oxygen is a combination.
    Correct
    Wrong
  • 3
    The ratio of the positive group increases.
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 4. "All of the above"

Q:

What is the basic element of all organic compounds?

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  • 1
    Nitrogen
    Correct
    Wrong
  • 2
    Oxygen
    Correct
    Wrong
  • 3
    Carbon
    Correct
    Wrong
  • 4
    Sulfur
    Correct
    Wrong
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Answer : 3. "Carbon"

Q:

Who was the inventor of positron?

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  • 1
    Chadwick
    Correct
    Wrong
  • 2
    Anderson
    Correct
    Wrong
  • 3
    Rutherford
    Correct
    Wrong
  • 4
    J.J. Thomson
    Correct
    Wrong
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Answer : 2. "Anderson "

Q:

Who proposed the word 'molecule'?

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  • 1
    E. Rutherford
    Correct
    Wrong
  • 2
    J.J. Thomson
    Correct
    Wrong
  • 3
    Democritus
    Correct
    Wrong
  • 4
    John Dolton
    Correct
    Wrong
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Answer : 3. "Democritus"

Q:

What will be the work done by 3 moles of an ideal gas when it expands spontaneously in vacuum?

1170 0

  • 1
    Zero
    Correct
    Wrong
  • 2
    Infinite
    Correct
    Wrong
  • 3
    3 joules
    Correct
    Wrong
  • 4
    9 joules
    Correct
    Wrong
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Answer : 1. "Zero "

Q:

Alkali metal can

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  • 1
    Be highly unstable at room temperature
    Correct
    Wrong
  • 2
    vaporize at room temperature
    Correct
    Wrong
  • 3
    easily lose electrons
    Correct
    Wrong
  • 4
    easily gain electrons
    Correct
    Wrong
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Answer : 3. "easily lose electrons "

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