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Physical and Chemical Change MCQ Quiz Online

Learn Physical and chemical change Multiple Choice Questions (MCQ) to practice physical and chemical change quiz answers PDF to study online 7th grade science course. Simple Chemical Reactions Multiple Choice Questions and Answers (MCQs), Physical and Chemical Change quiz questions PDF for online elementary school classes. "Physical and Chemical Change MCQ" PDF eBook: simple chemical reactions test prep for distance learning.

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

MCQs on Physical and Chemical Change

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