Chemistry MCQs with answers Page - 29

Here, you will find a collection of MCQ questions on Chemistry. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. Iron rusting, chemical or physical change

  • (A) Physical
  • (B) Chemical
  • (C) Both A & B
  • (D) None of the above

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Q. Sodium chloride, potassium chloride, magnesium oxide are examples of molecules with

  • (A) Metallic bonding
  • (B) Covalent bonding
  • (C) Ionic bonding
  • (D) Hydrogen bonding

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Q. The agent which is oxidized in photosynthesis is

  • (A) Sunlight
  • (B) Carbon dioxide
  • (C) Water
  • (D) Chlorophyll

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Q. The molecules of which gas have highest speed?

  • (A) N2 at 1,027°C
  • (B) CH4 at 300 K
  • (C) H2 at -73°C
  • (D) O2 at 0°C

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Q. Which of the following is in liquid form at room temperature?

  • (A) Francium
  • (B) Sodium
  • (C) Lithium
  • (D) Cerium

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Q. The number of moles of solute present in 1 kg of a solvent is called its

  • (A) Normality
  • (B) Molality
  • (C) Formality
  • (D) Molarity

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Q. The charcoal used to decolourise brown sugar solution is

  • (A) Wood charcoal
  • (B) Coconut charcoal
  • (C) Animal charcoal
  • (D) Sugar charcoal

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Q. The major component in the LPG is

  • (A) Methane
  • (B) Butane
  • (C) Ethane
  • (D) Propane

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Q. Domestic cooking gas consists mostly of

  • (A) Methane and ethane
  • (B) Liquified butane and isobutane
  • (C) Hydrogen and acetylene
  • (D) Ethylene and carbon monoxide

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Q. L.P.G. is mostly liquefied

  • (A) Hydrogen
  • (B) Oxygen
  • (C) Butane
  • (D) Methane

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