Mam,

Asked by supriyaa.yn | 8th Sep, 2008, 11:08: PM

Expert Answer:

For scientific purposes, "matter" is somewhat loosely defined. It is normally defined as anything that has mass and takes up space.So it really depends on the situation if massless substance can be considered as matter.(light has not usually considered matetr).

When liquid starts boiling it changes its state on further boling,

Answered by  | 9th Sep, 2008, 11:24: AM

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