Simple Chemical Reactions MCQ Questions and Answers PDF Download eBook

Simple chemical reactions Multiple Choice Questions and Answers (MCQs), simple chemical reactions MCQs questions PDF to practice 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. Free science study guide for online learning physical and chemical change quiz questions 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


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


MCQ: Chemical changes are

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


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


MCQ: Burning of fossils fuel results in the production of

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