Chemistry MCQs with answers Page - 157

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Q. Which of the following is a thermosetting polymer?

  • (A) Polythene
  • (B) PVC
  • (C) Bakelite
  • (D) Nylon-6

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Q. The hybridization of carbon in methane is:

  • (A) sp
  • (B) sp²
  • (C) sp³
  • (D) dsp²

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Q. Which of the following compounds is used as bleaching powder?

  • (A) CaCO₃
  • (B) Ca(OH)₂
  • (C) CaOCl₂
  • (D) CaSO₄

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Q. Which of the following has the maximum atomic radius?

  • (A) Lithium
  • (B) Sodium
  • (C) Potassium
  • (D) Rubidium

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Q. The oxidation state of nitrogen in NH₄⁺ is:

  • (A) -3
  • (B) -2
  • (C) +3
  • (D) +5

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Q. Which of the following is an example of a displacement reaction?

  • (A) HCl + NaOH → NaCl + H₂O
  • (B) Zn + CuSO₄ → ZnSO₄ + Cu
  • (C) 2H₂ + O₂ → 2H₂O
  • (D) CaCO₃ → CaO + CO₂

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Q. The molecular geometry of H₂O is:

  • (A) Linear
  • (B) Trigonal planar
  • (C) Bent
  • (D) Tetrahedral

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Q. The IUPAC name of CH₃COCH₃ is:

  • (A) Propanal
  • (B) Propanone
  • (C) Propanol
  • (D) Ethanone

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Q. Which of the following is an example of an addition reaction?

  • (A) CH₄ + 2O₂ → CO₂ + 2H₂O
  • (B) CH₂=CH₂ + H₂ → CH₃CH₃
  • (C) CH₃COOH + NaOH → CH₃COONa + H₂O
  • (D) CaCO₃ → CaO + CO₂

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Q. Which of the following exhibits maximum catenation?

  • (A) Silicon
  • (B) Germanium
  • (C) Carbon
  • (D) Tin

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