Class 7 science Practice Tests
Class 7 Science Online Tests
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The MCQ: As compare to air, sound travels faster in; "Speed of Sound" App Download (Free) with answers liquids, gases, vacuum and fluids to learn online classes courses. Solve sound waves quiz questions, download Google eBook (Free Sample) for online school courses.
MCQ 1: As compare to air, sound travels faster in
MCQ 2: Sound loses more energy in
MCQ 3: The more dense the liquid, the
MCQ 4: When sound travels, it
MCQ 5: The speed of sound in glass is
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