Statement 1:`Mbar(n)`(number -average molecular mass) of a polymer is determined by osmotic pressure method,while`Mbar(w)`(weight -average molecular mass)is determined by ultracentrifuge method.
Statement 2:Osmotic pressure is a colligative property.
A. Statement `1` is true ,statement `2`is true,statement`2`is the correct explanation of statement`1`
B. Statement `1` is true ,statement `2`is true,statement`2`is not the correct explanation of statement`1`
C. Statement `1` is true ,statement `2`is false
D. Statement `1` is false,statement `2`is true
