Class 7 Science MCQs - Chapter 20
Simple Chemical Reactions Multiple Choice Questions (MCQs) PDF Download - 1
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The Simple chemical reactions Multiple Choice Questions (MCQs) with Answers PDF (Simple Chemical Reactions MCQs PDF e-Book) download Ch. 20-1 to study Grade 7 Science Course. Learn Simple Chemical Reactions Quiz Questions and Answers to learn distance learning courses. The Simple Chemical Reactions MCQs App Download: Free Grade 7 Science Study [Free] App for physical and chemical change test prep for distance learning.
The MCQ: Chalk, limestone, marble, eggshells and seashells are made of; "Simple Chemical Reactions" App Download [Free] with answers: calcium oxide, calcium hydroxide, calcium carbonate, and calcium chloride to learn distance learning courses. Solve Physical and Chemical Change MCQ Questions, download Google eBook (Free Sample) for online courses.
Simple Chemical Reactions MCQs with Answers PDF Download: Quiz 1
Chalk, limestone, marble, eggshells and seashells are made of
- calcium hydroxide
- calcium oxide
- calcium carbonate
- calcium chloride
The conservation of mass is obtained when the total mass of reactants is equal to total mass of
- products
- molecules
- protons
- atoms
Chemical changes are
- reversible
- irreversible
- interchangeable
- non interchangeable
If baking soda or fruit salt is mixed with vinegar, there takes place a
- chemical reaction
- physical reaction
- transference
- both a and b
Burning of fossils fuel results in the production of
- bio gas
- oxygen
- carbon dioxide
- nitrogen
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Grade 8 Science Mock Tests
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Grade 8 Science MCQ with Answers
- Animal which is being hunt down is called
- Sedimentary layers over a period of time are compacted and cemented to form
- Kind of shadow depends on size and position of
- Continual process in which a rock is changed into another rock is called
- A type of rock which is made as a result of cementation and compaction of sediment grains under pressure over a long period of time is called