Assertion : The balancing of chemical equations is based on law of conservation of mass.
Reason : Total mass of reactants is equal to total mass of products.
A) Both Assertion(A) and Reason(R) are true and Reason is the correct explanation for Assertion.
B) Both Assertion and Reason are true but Reason is not the correct explanation for Assertion.
C) Assertion is true but Reason is false.
D) Assertion is false but Reason is true.