Simple Chemical Reactions Multiple Choice Quiz Questions 4 pdf Download

Practice science quiz 4 on simple chemical reactions MCQs, grade 7 chemical and physical changes multiple choice questions. Free chemical and physical changes guide has science worksheet with answering options evaporation, decomposition, thermal decomposition and melting of multiple choice questions (MCQ) with chemical and physical changes quiz as process of breaking down of any substance by heating into smaller substances is called for exam prep. Study to learn chemical and physical changes quiz to attempt multiple choice questions based test.

MCQs on Simple Chemical Reactions - Quiz 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