Which of the following does not alter during a physical change?
Physical change is a change in which the appearance, shape, size, colour and state of the substance changes but the chemical composition remains the same.
Which of the following parameters of a substance does not alter during a physical change?
Fill in the blanks :
(a) The process of a liquid changing into a solid is called_______________
(b) A change which alters the composition of a substance is known as a _______________ change
(c) There is no change in the ____________of the substance during a physical change.
(d) The reaction in which energy is evolved is called_______________