a balloon is a solid and address when you blow air into balloons you observe certain Kindle explain them on the basis of physical nature of matter
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A balloon is a solid and air is a gas when you blow air into balloon you observe certain changes because of the process of expansion and contraction.
dshsksvczhsm:
i want one more answer question
a person dropped a crystal of potassium permagnet into to 2 beakers a and B containing hot and cold water respectively after keeping the beakers undisturbed for sometime what did he observed and why.
expansion and contraction means
Expansion means when molecules move apart and \
Sorry
Contraction means when molecule come closer.
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