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IGCSE O Level Chemistry Practice Test 169

College Chemistry Quiz Questions and Answers PDF - 169

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College Chemistry Questions and Answers PDF Download: Quiz 169

MCQ 841:

The pH of the soil can be controlled through

  1. acid rains
  2. neutralization
  3. hydrolases
  4. reversible reactions
MCQ 842:

In Na2CO3, the relative atomic mass of sodium is

  1. 23
  2. 46
  3. 48
  4. 58
MCQ 843:

The proton number of Fluorine (F) is 9, the electron number is

  1. 2, 5
  2. 2, 7
  3. 2, 9
  4. 2, 6
MCQ 844:

In a titration, the endpoint is indicated through

  1. precipitation of salt
  2. crystallization of salt
  3. change in the color of solution
  4. none of above
MCQ 845:

Relative molecular mass of Sulfuric Acid (H2SO4) is

  1. 98
  2. 58
  3. 108
  4. 120

IGCSE O Level Chemistry Exam Prep Tests

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