Simple Chemical Reactions Multiple Choice Questions and Answers 4 PDF Book Download

Simple chemical reactions MCQs, simple chemical reactions quiz answers 4 to learn elementary education online courses. Physical and chemical change multiple choice questions (MCQs), simple chemical reactions quiz questions and answers for for online elementary education degree. Physical and chemical change test for elementary school teaching certification.

Learn elementary school science multiple choice questions (MCQs): Physical and chemical change, with choices oxygen, hydrogen, carbon dioxide, and carbon monoxide for online elementary education degree. Free science study guide for online learning physical and chemical change quiz questions to attempt multiple choice questions based test.

MCQ on Simple Chemical Reactions Worksheets 4 PDF Book Download

MCQ: Process of breaking down of any substance into smaller substances by heating, is called

  1. decomposition
  2. evaporation
  3. thermal decomposition
  4. melting


MCQ: Zinc salt reacts with dilute shulphuric acid to form zinc salt and

  1. hydrogen
  2. oxygen
  3. carbon dioxide
  4. carbon monoxide


MCQ: Natural gas is made up of compound

  1. carbon
  2. methane
  3. ethene
  4. ethane


MCQ: Power machines in factories and vehicles are examples of

  1. combustion
  2. thermal decomposition
  3. evaporation
  4. combination


MCQ: Natural gas is more efficient and produces less

  1. pollution
  2. heat
  3. reaction
  4. less evaporation