Directions: In the following questions, the Assertions (A) and Reason(s) (R) have been put forward.
Read both the statements carefully and choose the correct alternative from the following:
Assertion: Gases completely fill the vessel in which they are kept.
Reason: In the gaseous state, particles move freely and have greater space between them.
(A) Both the Assertion and the Reason are correct and the Reason is the correct explanation of the
Assertion.
(B) The Assertion and the Reason are correct but the Reason is not the correct explanation of the
Assertion.
(C)  Assertion is true but the Reason is false.
(D) Assertion is false but the Reason is true.
(E) Both the statements are false.