Grade 7 English MCQs

Simple Chemical Reactions Multiple Choice Questions Test 3 Tests pdf Download

Practice science test 3 on simple chemical reactions MCQs, grade 7 chemical and physical changes multiple choice questions and answers. Chemical and physical changes revision test has science worksheets, answer key with choices as water, salt, both a and b and gases of multiple choice questions (MCQ) with chemical and physical changes quiz as dilute acids and alkalis react together to form for competitive exam prep. Free science study guide to learn chemical and physical changes quiz to attempt multiple choice questions based test.

MCQs on Simple Chemical Reactions: Worksheets 3 Quiz pdf Download

MCQ. Dilute acids and alkalis react together to form

  1. salt
  2. water
  3. both a and b
  4. gases

C

MCQ. A fuel formed from a fossil is known as

  1. decayed animal
  2. decayed plants
  3. fossil fuels
  4. crude oil

C

MCQ. Process in which reactants react together to form product is called

  1. chemical reaction
  2. chemical change
  3. chemical properties
  4. chemical formula

A

MCQ. If two or more substances combine to form a new substance chemical reaction is termed as

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

B

MCQ. When substance combines with oxygen while burning reaction is termed as

  1. combustion
  2. burning
  3. both a and b
  4. evaporation

C