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IGCSE O Level Chemistry Certification Exam Tests

IGCSE O Level Chemistry Practice Test 73

pH Scale: Acid and Alkali Quiz Questions and Answers PDF - 73

The pH Scale Acid and Alkali Quiz Questions and Answers PDF, pH Scale Acid and Alkali Quiz with Answers PDF e-Book download Ch. 1-73 to prepare IGCSE O Level Chemistry Practice Tests. Solve Acids and Bases MCQ with answers PDF, pH Scale Acid and Alkali Multiple Choice Questions (MCQ Quiz) for online colleges for teaching. The pH Scale: Acid and Alkali Quiz App: Free download learning app for ph scale: acid and alkali, strong and weak acids, distillation: purification process, decanting and centrifuging, oxidation and reduction test prep to learn online certificate courses.

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pH Scale: Acid & Alkali Questions and Answers PDF Download: Quiz 73

MCQ 361:

Toothpaste has an average pH of

  1. 0
  2. 4
  3. 8
  4. 12
MCQ 362:

Consider the equation PbO + NaOH + H2O → Na2Pb(OH)4. The balancing of the equation requires how much moles of NaOH?

  1. 1
  2. 2
  3. 3
  4. 4
MCQ 363:

In the fractionating column of fractional distillation, as we go higher in the column the

  1. temperature becomes lower
  2. temperature becomes higher
  3. minimum absorption is carried out
  4. risks of sublimation exists
MCQ 364:

After centrifugation when the sublimate settles, the clear liquid can be

  1. allowed to rest
  2. allowed to form crystals
  3. decanted off
  4. evaporated
MCQ 365:

While Iodide ion (I-) oxidizes to Iodine (I2), a change in color from colorless to

  1. brown occurs
  2. pink occurs
  3. blue occurs
  4. violet occurs

IGCSE O Level Chemistry Exam Prep Tests

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pH Scale Acid & Alkali App (Android & iOS)

pH Scale Acid & Alkali App (Android & iOS)

O Level Chemistry App (Android & iOS)

O Level Chemistry App (iOS & Android)

10th Grade Chemistry App (Android & iOS)

10th Grade Chemistry App (Android & iOS)

SAT Chemistry App (Android & iOS)

SAT Chemistry App (iOS & Android)