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Verified Answer & Explanation⌄

Correct Answer: A) KCN and Na₂Cr₂O₇

Concept Explanation

KCN and Na₂Cr₂O₇ contain ionic attraction between ions and covalent bonds within the polyatomic ions.

Topic: Ionic and Covalent BondingPractice more Ionic and Covalent Bonding MCQs →