1.

For each of theequation four choices have been provided .select the correct alternative Choose the correct statement: (a) boiling of a given substacne takes place at all temperature (b) evaporation of a substance takes place at a constant temperature (c ) boiling takes place at every part of the liquid (d) evaporation takes place only on the surface of liquid

Answer»

both a and C
B,c and d
both c and d
all the above

ANSWER :c


Discussion

No Comment Found