Chemistry Questions Answers

• 22. Who proposed first atomic theory ?

  1. E.Rutherford
  2. De Broglie
  3. John Dalton
  4. D.I.Mendeleef

  Answer And Explanation

  Answer: Option C

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• 23. pH of blood is ?

  1. 10.4
  2. 9
  3. 7.4
  4. 4

  Answer And Explanation

  Answer: Option C

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• 24. pH of water is

  1. 5
  2. 6
  3. 7
  4. 8

  Answer And Explanation

  Answer: Option C

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• 25. Which one of the following is the softest?

  1. sodium
  2. iron
  3. aluminium
  4. lithium

  Answer And Explanation

  Answer: Option A

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• 26. Which have the maximum density ?

  1. Water
  2. Benzene
  3. Ice
  4. Chloroform

  Answer And Explanation

  Answer: Option A

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• 27. Which one of the following gas is readily soluble in water at room temperature ?

  1. chlorine
  2. nitrogen
  3. ammonia
  4. carbon dioxide

  Answer And Explanation

  Answer: Option D

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• 28. Which is also called Stranger Gas ?

  1. Xenon
  2. Neon
  3. Argon
  4. Nitrous oxide

  Answer And Explanation

  Answer: Option A

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