Physical and Chemical Changes Quiz App Download | Class 7 Science PDF e-Book
Class 7 Science MCQs: Chapter 17
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The Physical and chemical changes Quiz Questions and Answers PDF (Physical and Chemical Changes Quiz PDF e-Book) download Ch. 17-27 to learn Class 7 Science Course. Solve Solids Liquids and Gases MCQs PDF, Physical and Chemical Changes Quiz Questions and Answers to study online classes courses. The Physical and Chemical Changes Quiz App Download: Free Class 7 Science App to learn solids liquids and gases, methane, polythene, polyvinyl chloride test prep for online education programs.
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The density of 'solids' is
When methane is combusted, it combines with
The new form of 'polythene' is called
The shape of 'gas' is
The short form of "Polyvinyl chloride" is
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