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. 14.Which statement is correct aboutHalogens ?(A) They are all diatomic and formunivalent ions(B) They can mutually displaceeach other from the solution oftheir compounds with metals(C) They are all capable ofexhibiting several oxidation15states(D) They are all diatomic and formdivalent ions​

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i don't KNOW what is the ANSWER FORGIVE me i don't know what is the MEANING



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