Assertion(A) : The mass and volume of a substance are the extensive properties and are proportional to each other.
Reason(R ) : The ratio of mass of a sample to its volume is an intensive property

Options

A. Both `A`and `R` are true and `R` is the correct explantion of `A`
B. Both `A`and `R` are true and `R` is not a correct explantion of `A`
C. `A` is true but `R` is false
D. `A` is false but `R` is true

Answer

B