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IGCSE O Level Chemistry MCQs – Practice Test 9 (Chapter 12)

Salts and Identification of Ions and Gases MCQs with Answers PDF Download – Test 9

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Salts & Identification of Ions & Gases MCQs with Answers PDF Download: MCQ Quiz 9

MCQ 41: Which one of them is an insoluble salt?

  1. Sodium Chloride NaCl
  2. Lead Chloride PbCl2
  3. Magnesium Chloride
  4. Potassium hydroxide

MCQ 42: Acid salts do not include:

  1. calcium phosphate
  2. sodium dihydrogen phosphate
  3. sodium hydrogen sulphate
  4. calcium hydrogen carbonate

MCQ 43: Number of replaceable hydrogen atoms in phosphoric acid is:

  1. 1
  2. 2
  3. 3
  4. 4

MCQ 44: Considering the reaction equation CuO + H2SO4 → CuSO4 + H2O, excess of Copper Oxide (CuO) is added to get:

  1. more mass of salt
  2. neutralize excess acid
  3. ease the salt crystallization
  4. help salt retain the water of crystallization

MCQ 45: Consider the equation, Fe+3(aq) + 3OH-(aq) → Fe(OH)3(s). The precipitate of Iron(III) Hydroxide will be of:

  1. green color
  2. blue color
  3. brown color
  4. white color

IGCSE O Level Chemistry MCQs App & e-Book – Salts & Identification of Ions & Gases Study Guide

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