Chemistry MCQs with answers Page - 142

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Shyam Dubey • 3.70K Points
Extraordinary

Q. Which of the following is a greenhouse gas?

  • (A) Oxygen
  • (B) Nitrogen
  • (C) Carbon dioxide
  • (D) Hydrogen

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Shyam Dubey • 3.70K Points
Extraordinary

Q. What type of bond is formed by the sharing of electrons?

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

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Shyam Dubey • 3.70K Points
Extraordinary

Q. Which of the following is used in the manufacture of glass?

  • (A) Sodium chloride
  • (B) Calcium carbonate
  • (C) Sodium carbonate
  • (D) Sodium nitrate

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Shyam Dubey • 3.70K Points
Extraordinary

Q. Which metal is used for galvanizing iron?

  • (A) Copper
  • (B) Zinc
  • (C) Silver
  • (D) Tin

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Shyam Dubey • 3.70K Points
Extraordinary

Q. Which gas is known as laughing gas?

  • (A) Carbon monoxide
  • (B) Nitrous oxide
  • (C) Sulphur dioxide
  • (D) Methane

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Shyam Dubey • 3.70K Points
Extraordinary

Q. Which element is used in the production of semiconductors?

  • (A) Iron
  • (B) Silicon
  • (C) Aluminium
  • (D) Copper

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Shyam Dubey • 3.70K Points
Extraordinary

Q. What is the atomic number of oxygen?

  • (A) 6
  • (B) 7
  • (C) 8
  • (D) 9

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Shyam Dubey • 3.70K Points
Extraordinary

Q. Which element is used in thermometers?

  • (A) Silver
  • (B) Mercury
  • (C) Lead
  • (D) Tin

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Shyam Dubey • 3.70K Points
Extraordinary

Q. Which of the following is a base?

  • (A) HCl
  • (B) NaOH
  • (C) H₂SO₄
  • (D) CH₃COOH

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Shyam Dubey • 3.70K Points
Extraordinary

Q. Which gas is produced when metals react with acids?

  • (A) Carbon dioxide
  • (B) Oxygen
  • (C) Hydrogen
  • (D) Nitrogen

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