Directions : For question number 24, two statements are given, one labelled as Assertion (A) and the other is labelled…

CBSE Class 10 Science PYQ · Chemical Reactions and Equations · Writing and balancing chemical equations · 1 Mark · March 2026 · Standard

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11 Mark · March 2026 · Standard
Directions : For question number 24, two statements are given, one labelled as Assertion (A) and the other is labelled as Reason (R). Select the correct answer to this question from the codes (A), (B), (C) and (D) as given below :
(A) Both, Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
(B) Both, Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
(C) Assertion (A) is true, but Reason (R) is false.
(D) Assertion (A) is false, but Reason (R) is true.
Assertion (A): Carbon shares its valence electrons with other atoms of carbon or with atoms of other elements.
Reason (R): The shared electrons belong to the outermost shells of both the atoms and lead to both atoms attaining the noble gas configuration.
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(A) / Both, Assertion(A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A). (1 Mark)
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