Chapter 18: Class 7 Science Exam Tests
Class 7 Science MCQs - Chapter 18
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MCQ 41: In liquids the force of attraction between particles is
MCQ 42: Burning hydrocarbons produce
MCQ 43: When methane is combusted, it produces
MCQ 44: PVC sheets are also used to make
MCQ 45: The vibration of particles in solids at fixed position is due to
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