Grade 7 English MCQs

Simple Chemical Reactions Multiple Choice Questions Test 4 Tests pdf Download

Practice science test 4 on simple chemical reactions MCQs, grade 7 physical and chemical change multiple choice questions and answers. Physical and chemical change revision test has science worksheets, answer key with choices as evaporation, decomposition, thermal decomposition and melting of multiple choice questions (MCQ) with physical and chemical change quiz as the process of breaking down of any substance by heating into smaller substances is called for competitive exam prep. 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 by heating into smaller substances is called

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

C

MCQ. Zinc salt react 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 for transports are examples of

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

A

MCQ. Natural gas is more efficient and produce less

  1. pollutants
  2. products
  3. reactants
  4. oxygen

A