Class 7 Science MCQs - Chapter 17

Physical and Chemical Changes Multiple Choice Questions (MCQ) PDF Download - 22

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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. 17-22 to learn Grade 7 Science Course. 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 (Android, iOS) with answers: French inventor; British inventor; American inventor; Spanish inventor; to learn online school courses. Practice Making Plastics MCQ Questions, download Apple e-Book (Free Sample) for free online courses.

Physical and Chemical Changes MCQs with Answers PDF Download: 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

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