Simple Chemical Reactions Multiple Choice Questions 3 PDF Download

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

MCQs on Simple Chemical Reactions Quiz PDF Download Worksheets 3

MCQ. Dilute acids and alkalis react together to form

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

D

MCQ. Fuel obtained from fossils is known as

  1. decayed animal's oil
  2. decayed plant's extract
  3. fossils fuel
  4. crude oil

C

MCQ. The process in which reactants react together to form a product, is called

  1. chemical reaction
  2. chemical change
  3. chemical process
  4. chemical procedure

A

MCQ. If two or more substances are combined to form a new substance, the chemical reaction is termed as

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

B

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

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

C