Simple Chemical Reactions Multiple Choice Questions and Answers 1 PDF Online Download

Practice simple chemical reactions Multiple Choice Questions (MCQs), simple chemical reactions quiz answers, test prep 1 to learn grade 7 science for online certificate programs. 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.

Learn science MCQs: chalk, limestone, marble, eggshells and seashells are made of, 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 Online Download

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

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


MCQ: Conservation of mass is obtained when 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 production of

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