Class 7 Science MCQs - Chapter 17
Physical and Chemical Changes Multiple Choice Questions (MCQ) PDF Download - 30
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The Physical and chemical changes Multiple Choice Questions (MCQ Quiz) with Answers PDF (Physical and Chemical Changes MCQ PDF e-Book) download Ch. 17-30 to learn Grade 7 Science Course. Study Burning Fuels Multiple Choice Questions and Answers (MCQs) PDF, Physical and Chemical Changes Quiz Questions and Answers to learn distance learning courses. The Physical and Chemical Changes MCQ App Download: Free educational app for burning fuels, physical changes, making plastics, chemical changes, endothermic reactions test prep for online certifications.
The MCQs: A substance which is burned to produce heat and light is known as; "Physical and Chemical Changes" App (Android, iOS) with answers: Alcohol; Fuel; Acid; Alkane; to learn distance learning courses. Practice Burning Fuels MCQ Questions, download Apple e-Book (Free Sample) for virtual elementary school.
Physical and Chemical Changes MCQs with Answers PDF Download: Quiz 30
A substance which is burned to produce heat and light is known as
- fuel
- alcohol
- acid
- alkane
A change of state from one form to other is a
- physical change
- chemical change
- biological change
- state variation
Plastic industry was started when a chemist made a
- black coating of plastic
- bakelite
- solid kerosene plastic
- plastic with cellulose
Physical changes are
- reversible
- irreversible
- permanent
- temporary
The reactions of 'exothermic' are
- condensation reactions
- endothermic reactions
- reversible reactions
- substitution reactions
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