Question

a) Both A and R are true, and R is the correct explanation of the assertion.
b) Both A and Rare true, but R is not the correct explanation of the assertion.
(c) A is true, but R is false.
(d) A is false, but R is true
14. Assertion: In a pure chemical compound, elements are always present in a definite
proportion by mass.
Reason: An atom is the smallest particle of an element that can take part in a
chemical change.​

Answer 1

Answer:

a) Both A and R are true and R is the correct explanation of the assertion

Explanation:

Because atom reacts with reactants and gives products