P Block Elements

Section: Chemistry

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Question : 10 of 34

Marks: +1, -0

Which of the following is not correct?

[AP EAPCET 22 May 2025 S1]

Potassium permanganate on heating gives potassium manganate and manganese dioxide only
Phosphine is used in smoke screens
Bleaching action of chlorine is due to oxidation
Noble gases have very low boiling points

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