What are SI units of the following:
(i) Density
(ii) Molarity
(iii) Energy
(iv) Temperature ?
(i) kg m-3
(ii) mol m-3
(iii) kg m2 s-2
(iv) Kelvin
Under what conditions air is considered as a heterogenous mixture?
What is iodised table salt?
It is a mixture of NaCl and Nal.
The popular unit of pressure is atmosphere, how is it related to pascal?
1 atmosphere pressure = 101·324 k Pa