Question

plz say answer fast
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Answer 1

eg of physical change=

1)crushing a can,,melting an ice cube,,boiling water,,mixing sand and water,,breaking a glass,,dissolved sugar and water,,shredding paper,,crumpling a paper bag,,sublimation of dry ice,,mixing red and green marble

eg of chemical chages=

1)changing colour,,absorbing or releasing heat,,releasing an odor,,inability to reverse the change,,evolving bubbles or releasing gas,,burning wood,,scouring milk,,digestion food,,cooking an egg,,baking a cake,,rusting of iron.

2) ans= this phenomenon is known as condensation. cold water inside the water tries to cool down the water vapor in air which comes in contact with wall of glass and due to low temperature the vapor liquid and appear as water droplets on the outside of glass.