______ is a chemical which absorbs oxygen of the air.

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Pyrogallol is an organic compound. It has formula $C_{6} H_{3} (O H)_{3}$ . It is a white solid. It has sensitivity towards oxygen. In an alkaline solution, it absorbs oxygen from air and turns brown.

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______ is a chemical which absorbs oxygen of the air.

Pyrogallol is an organic compound. It has formula C6H3(OH)3. It is a white solid. It has sensitivity towards oxygen. In an alkaline solution, it absorbs oxygen from air and turns brown.

Pyrogallol is an organic compound. It has formula $C_{6} H_{3} (O H)_{3}$ . It is a white solid. It has sensitivity towards oxygen. In an alkaline solution, it absorbs oxygen from air and turns brown.