Class 7 Science MCQs - Chapter 18
Physical and Chemical Changes Multiple Choice Questions (MCQ) PDF - 22
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Free Physical and chemical changes Multiple Choice Questions (MCQs), Physical and Chemical Changes MCQs PDF Download, Book Ch. 18-22 to learn class 7 science online courses. Study Making Plastics Multiple Choice Questions and Answers (MCQs) PDF, physical and chemical changes quiz questions and answers to learn online school courses. The Physical and Chemical Changes MCQ App Download: Free educational app for making plastics, iron and sulphur, photosynthesis process, solids liquids and gases test prep for online classes.
The MCQs: Plastic was invented by; "Physical and Chemical Changes" App Download Android & iOS (Free) with answers french inventor, british inventor, american inventor and spanish inventor to learn online school courses. Practice making plastics quiz questions, download Apple Book (Free Sample) for free online courses.
Physical and Chemical Changes Questions & Answers PDF Download: MCQ Quiz 22
MCQ 106: Plastic was invented by
- British inventor
- French inventor
- American inventor
- Spanish inventor
MCQ 107: The compound which is formed by heating iron and sulphur, is known as
- iron sulfate
- sulphur ironide
- iron sulfite
- iron sulfide
MCQ 108: 'Photosynthesis' is a
- physical process
- chemical process
- biological process
- temporary process
MCQ 109: Particles are close together in
- solids
- fluids
- liquids
- gases
MCQ 110: No new substance is formed during
- photosynthesis
- respiration
- physical change
- chemical change
Class 7 Science Mock Tests
Physical and Chemical Changes Learning App & Free Study Apps
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