নিচের কোনটি সম্পৃক্ত হাইড্রোকার্বন?

A ইথেন (C2H6)

B ইথিলিন (C2H4)

C অ্যাসিটিলিন (C2H2)

D প্রোপিন (C3H6)

Correct Answer & Explanation

Option A

Option A is the correct answer according to official curriculum guidelines.

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