Assertion: The Brownian movement is due to the bombardment on colloidal particle by the molecules of dispersion midium which are in the constant motion like molecules in a gas.
Reason: Brownian movement provides a visible proof of the random kinetic motion of molecules in a liquid.
A. Statement 1 is true, statmeent 2 is true, statement 2 is a correct explanation for statement 1
B. Statement 1 is true, stateement 2 is true, statement 2 is not a correct explanation for statement 1
C. Statement 1 is true, statement 2 is false
D. Statement 1 is false, statement 2 is true