Class 7 Science MCQs - Chapter 17
Physical and Chemical Changes Quiz Questions & Answers PDF Download - 7
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The Physical and chemical changes Quiz Questions and Answers PDF (physical and chemical changes Quiz PDF e-Book) download Ch. 17-7 to learn Grade 7 Science Course. Solve Polyvinyl Chloride MCQs PDF, Physical and Chemical Changes Quiz Questions and Answers to learn online courses. The Physical and Chemical Changes Quiz App Download: Free learning app for polyvinyl chloride, physical changes, magnesium and oxygen, ammonia and fertilizers, chemical changes test prep for online degrees.
The Quiz: To make PVC, molecules of vinyl chloride are; "Physical and Chemical Changes" App (iOS, Android) with answers: Further heated; Condensed; Treated with ammonia; Gathered to form a chain; to learn online courses. Study Polyvinyl Chloride MCQ Questions, download Amazon eBook (Free Sample) for online degree programs.
Physical and Chemical Changes Exam Questions and Answers PDF Download: Test 7
To make PVC, molecules of vinyl chloride are
- condensed
- further heated
- treated with ammonia
- gathered to form a chain
When particles cool down, energy changes
- from kinetic to heat
- from kinetic to potential
- from potential to kinetic
- from thermal to potential
The color of magnesium oxide is
- white
- blue
- grey
- pink
Ammonia fertilizers are made by two components, they are
- ammonia and hydrogen
- ammonia and nitric acid
- nitrogen and hydrogen
- nitrogen and water
During chemical reaction, energy is
- taken in
- given out
- given out or taken in
- transferred
Class 7 Science Mock Tests
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