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Grade 7 Science MCQs

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Simple Chemical Reactions Multiple Choice Questions Online p. 1

Learn Simple chemical reactions multiple choice questions and answers, simple chemical reactions quiz answers PDF to learn grade 7 science test 1 for online courses. Physical and Chemical Change MCQs, simple chemical reactions quiz questions and answers for online elementary school classes. "Simple Chemical Reactions MCQ" PDF Book: 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. Practice physical and chemical change quiz questions for school certificate programs for online courses.

MCQs on Simple Chemical Reactions Quiz

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

calcium hydroxide
calcium oxide
calcium carbonate
calcium chloride

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

products
molecules
protons
atoms

MCQ: Chemical changes are

reversible
irreversible
interchangeable
non interchangeable

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

chemical reaction
physical reaction
transference
both a and b

MCQ: Burning of fossils fuel results in the production of

bio gas
oxygen
carbon dioxide
nitrogen

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