Chemistry MCQs with answers Page - 144

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Shyam Dubey • 3.70K Points
Extraordinary

Q. Which process converts solid directly into gas?

  • (A) Condensation
  • (B) Sublimation
  • (C) Evaporation
  • (D) Freezing

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Shyam Dubey • 3.70K Points
Extraordinary

Q. Which of the following metals can be cut with a knife?

  • (A) Iron
  • (B) Sodium
  • (C) Copper
  • (D) Zinc

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Shyam Dubey • 3.70K Points
Extraordinary

Q. Which of the following is not a mixture?

  • (A) Air
  • (B) Brass
  • (C) Water
  • (D) Soil

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Shyam Dubey • 3.70K Points
Extraordinary

Q. What is the SI unit of pressure?

  • (A) Joule
  • (B) Pascal
  • (C) Newton
  • (D) Watt

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Shyam Dubey • 3.70K Points
Extraordinary

Q. Which metal is used in making aircrafts?

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

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Shyam Dubey • 3.70K Points
Extraordinary

Q. Which of the following substances has the lowest pH value?

  • (A) Lemon juice
  • (B) Water
  • (C) Milk
  • (D) Baking soda solution

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Shyam Dubey • 3.70K Points
Extraordinary

Q. Which gas is used in balloons?

  • (A) Oxygen
  • (B) Helium
  • (C) Nitrogen
  • (D) Hydrogen

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Shyam Dubey • 3.70K Points
Extraordinary

Q. What is the atomic symbol of gold?

  • (A) Gd
  • (B) Go
  • (C) Au
  • (D) Ag

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Shyam Dubey • 3.70K Points
Extraordinary

Q. Which of the following is an alkaline earth metal?

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

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Shyam Dubey • 3.70K Points
Extraordinary

Q. What is the common name for calcium carbonate?

  • (A) Chalk
  • (B) Lime
  • (C) Marble
  • (D) All of these

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