Class 7 Science Online Tests
Physical and Chemical Change MCQ (Multiple Choice Questions) PDF Download
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Physical and Chemical Change MCQ (PDF) Questions Answers Download
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
Class 7 Science Practice Tests
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Grade 6 Science Career Tests
Grade 7 Science Practice Tests
Grade 6 Science MCQ Questions
- To check a leaf that either it has made food or not we can use test using
- Heat gain makes ice to
- A skill which draws conclusions from observation or information gathered is called
- Animal which is being hunted by another animal is termed as
- Person with hand foot and mouth diseases have spots in hand, foot and mouth called
Physical and Chemical Change MCQs Book Questions
- Sound loses more energy in
- Transfer of pollen grains from anther to stigma of same flower, or to stigma of another flower on same plant is known as
- Earth wire is connected to
- Transfer of energy in a food chain is shown by
- A diagram drawn by using symbols which represents electrical components is called