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IGCSE O Level Chemistry Certification Exam Tests

IGCSE O Level Chemistry Practice Test 160

Catalysts and Enzymes Multiple Choice Questions (MCQ) PDF - 160

The Catalysts and Enzymes MCQ with Answers PDF, Catalysts and Enzymes Multiple Choice Questions (MCQs) PDF e-Book download Ch. 13-160 to prepare IGCSE O Level Chemistry Practice Tests. Study Speed of Reaction Test PDF, Catalysts and Enzymes Multiple Choice Questions (MCQ Quiz) for online colleges for teaching. The Catalysts and Enzymes MCQ Quiz App: Free download certification app for catalysts and enzymes, chemical symbols, paper chromatography, molar mass, distillation: purification process test prep to study e-learning courses.

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Catalysts & Enzymes Questions and Answers PDF Download: Quiz 160

MCQ 796:

What is true about Enzymes?

  1. they act as biological catalysts
  2. they operate over a wide range of pH
  3. they are highly specific
  4. they operate over wide temperatures only
MCQ 797:

Combining Copper(II) (Cu+2) with Oxygen (O2) results in

  1. CuO
  2. Cu2O
  3. CuO2
  4. Cu(OH)2
MCQ 798:

Diazo reagent is used as a locating agent in the chromatography of

  1. picric acids
  2. benzoic acids
  3. phenolic acids
  4. salicylic acid
MCQ 799:

Molar mass of (NH4)2SO4 is

  1. 113.19 g/mol
  2. 124.21 g/mol
  3. 141.39 g/mol
  4. 132.139 g/mol
MCQ 800:

What is true about fractional distillation?

  1. it cannot separate liquids whose boiling points are close
  2. it can separate liquids whose boiling points are close
  3. it can separate liquids whose boiling points are very high
  4. none of above

IGCSE O Level Chemistry Exam Prep Tests

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Catalysts & Enzymes App (Android & iOS)

Catalysts & Enzymes 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)