IGCSE O Level Chemistry Learning App | Energy from Chemicals MCQs e-Book PDF
IGCSE O Level Chemistry MCQs (O Level) From Textbook

IGCSE O Level Chemistry Competitive Exam MCQs – Practice Test 5 (Chapter 7)

Energy from Chemicals MCQs with Answers PDF Download – Test 5

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Study Energy from Chemicals Multiple Choice Questions (MCQs) with Answers PDF to strengthen chemistry understanding. Download the Energy from Chemicals MCQs PDF e-Book, Ch. 7-5 to study IGCSE O Level Chemistry Course. Practice Endothermic Reactions MCQs, Energy from Chemicals quiz questions and answers PDF for chemistry online educational guidance. Free IGCSE O Level Chemistry Learning App Download: Energy from Chemicals MCQs App to study making and breaking bonds, save energy: o level chemistry career test for chemistry subject revision.

Download IGCSE O Level Chemistry Learning App (Free) with MCQ: "Exothermic compounds are"; with answers: rarely stable, highly volatile, very stable, and can be decomposed into their elements. Solve Chemical & Ionic Equations Quiz Questions, download Google e-Book (Free Chapter) to strengthen chemistry understanding.

Energy from Chemicals MCQs with Answers PDF Download: MCQ Quiz 5

MCQ 21: Exothermic compounds are:

  1. highly volatile
  2. rarely stable
  3. very stable
  4. can be decomposed into their elements

MCQ 22: To form products from reactants, it is important to pass the:

  1. energy profile diagrams
  2. transition barrier
  3. energy barriers
  4. activation energy tests

MCQ 23: Purpose of Lean Burn engines is to:

  1. produce less air pollution
  2. consume lesser oxygen
  3. produce more efficient fuel combustion
  4. use them in sky rockets

MCQ 24: Endothermic reactions include:

  1. conversion of sodium nitrate crystal to sodium nitrate solution
  2. upon heating, hydrogen results in water
  3. neutralization of acids and alkalis
  4. respiration

MCQ 25: The word LPG stands for:

  1. liquefied purified gas
  2. liquefied patrol gas
  3. liquefied petroleum gas
  4. latent petroleum gas

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