Physical and Chemical Changes Multiple Choice Questions and Answers 23 PDF Download
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MCQs on Physical and Chemical Changes Worksheets 23 Quiz PDF Download
MCQ: At first slightly different form of 'polythene' was discovered in
MCQ: World's first successful plastic was made in
MCQ: Physical change only effects the
- arrangement of particles
- energy of particles
- arrangement and energy of particles
- size of particles
MCQ: A component without which fertilizer is incomplete, is
MCQ: A component which can stick to magnet is
- both a and b