(xiv) সমযােজী দ্বি-বন্ধনযুক্ত যৌগ কোনটি? – (a) OF,, (b) Ny, (c) CH4, (d) C2H2
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Answer:d) C2H2
Carbon and Hydrogen atom form covalent bond.
In ethene molecular structure: CH2=CH2
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