the rusting of iron is a change

when transfer the matter from gasses state to the liquid the process called…………

How many calories are requires to heat 5.0 g of copper from 20c to 80 c ? (specific heat of Cu = 0.092 cal\g . c )

which of the following is the smallestunit?

Standard unit of temperature according to SI system is

the 40 ⁰C isequal to ?

…….. Is defined as the mass per unit volume.

when transfer the matterfrom gaseous state to the liquid the process called?

which of the largest quantity of the following..................

A woman was told to take adose of 1.25 g of calcium daily, how many 250 mg tabletsshould she take ?