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Simple Chemical Reactions MCQ Questions and Answers PDF Download eBook

Practice Simple chemical reactions Multiple Choice Questions and Answers PDF, simple chemical reactions MCQs questions PDF worksheets to solve grade 7 science test 1 for online school programs. Practice "Physical and Chemical Change" MCQs, simple chemical reactions quiz questions and answers for online elementary school classes. Learn physical and chemical change test prep for distance learning.

"Chalk, limestone, marble, eggshells and seashells are made of" Multiple Choice Questions (MCQ) on simple chemical reactions with choices calcium oxide, calcium hydroxide, calcium carbonate, and calcium chloride for online elementary school classes. Solve science study guide for online courses physical and chemical change quiz questions for school certificate programs for online courses.

Simple Chemical Reactions MCQs Quiz 1 PDF Download eBook

MCQ: Chalk, limestone, marble, eggshells and seashells are made of

  1. calcium hydroxide
  2. calcium oxide
  3. calcium carbonate
  4. calcium chloride

C

MCQ: The conservation of mass is obtained when the total mass of reactants is equal to total mass of

  1. products
  2. molecules
  3. protons
  4. atoms

A

MCQ: Chemical changes are

  1. reversible
  2. irreversible
  3. interchangeable
  4. non interchangeable

B

MCQ: If baking soda or fruit salt is mixed with vinegar, there takes place a

  1. chemical reaction
  2. physical reaction
  3. transference
  4. both a and b

A

MCQ: Burning of fossils fuel results in the production of

  1. bio gas
  2. oxygen
  3. carbon dioxide
  4. nitrogen

C