Class 7 science Practice Tests
Class 7 Science Online Tests
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The MCQ: As compare to low density polythene, the high density polythene is; "Polythene" App Download (Free) with answers weak, strong, rough and soft to learn online certification courses. Solve physical and chemical changes quiz questions, download Google eBook (Free Sample) for distance education.
MCQ 1: As compare to low density polythene, the high density polythene is
MCQ 2: Ethene is obtained from
MCQ 3: 'Ethene' is composed of
MCQ 4: Number of atoms in one molecule of ethene is
MCQ 5: 'Ethene' is a also known as
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