Simple Chemical Reactions Multiple Choice Questions 4 PDF Download

Learn simple chemical reactions MCQs, grade 7 science test 4 for online courses learning and test prep, physical and chemical change multiple choice questions and answers. Physical and chemical change revision test includes science worksheets to learn for 7th grade science homework help.

Science multiple choice questions (MCQ) on process of breaking down of any substance into smaller substances by heating, is called with options evaporation, decomposition, thermal decomposition and melting, physical and chemical change quiz for competitive exam prep, viva interview questions with answers key. Free science study guide to learn physical and chemical change quiz to attempt multiple choice questions based test.

MCQs on Simple Chemical Reactions Quiz PDF Download Worksheets 4

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

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

C

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

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

A

MCQ. Natural gas is made up of compound

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

B

MCQ. Power machines in factories and vehicles are examples of

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

A

MCQ. Natural gas is more efficient and produces less

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

A