Chemistry MCQs with answers Page - 2

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. The heat required to raise the temperature of body by 1 K is called

  • (A) specific heat
  • (B) thermal capacity
  • (C) water equivalent
  • (D) None of the above

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Q. The nuclear particles which are assumed to hold the nucleons together are

  • (A) electrons
  • (B) positrons
  • (C) neutrons
  • (D) mesons

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Q. The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is

  • (A) 2.05 gram
  • (B) 3.05 gram
  • (C) 4.05 gram
  • (D) 5.05 gram

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Q. The octane number of zero is assigned to

  • (A) 2-methyl octane
  • (B) n-heptane
  • (C) iso-octane
  • (D) 3-methyl octane

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Q. The metal that is used as a catalyst in the hydrogenation of oils is

  • (A) Ni
  • (B) Pb
  • (C) Cu
  • (D) Pt

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Q. The most abundant rare gas in the atmosphere is

  • (A) He
  • (B) Ne
  • (C) Ar
  • (D) Xe

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Q. The Latin word formica means ant. The name formic acid is derived from this Latin word because

  • (A) this acid, in ancient times, was used to eliminate ant-hills
  • (B) this corrosive acid is secreted by ants to drive away their enemies
  • (C) this acid was first obtained by the distillation of ants
  • (D) ants are attracted by the odour of this acid

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Q. The ore which is found in abundance in India is

  • (A) monazite
  • (B) fluorspar
  • (C) bauxite
  • (D) magnetite

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Q. The inherited traits of an organism are controlled by

  • (A) RNA molecules
  • (B) nucleotides
  • (C) DNA molecules
  • (D) enzymes

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Q. The heat energy produced when the human body metabolises 1 gram of fat is

  • (A) 30 KJ
  • (B) 1 KJ
  • (C) 39 KJ
  • (D) 29 KJ

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