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P BLOCK ELEMENTS
Question #42804
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Question
How can chlorine gas (Cl₂) be prepared from hydrochloric acid (HCl)?
A. Evaporate HCl
B. React HCl with a strong oxidizing agent like MnO₂ or KMnO₄.
C. Neutralize HCl with NaOH
D. Heat HCl strongly
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