Question : Philosopher's wool is chemically
Option 1: Aluminium oxide
Option 2: Magnesium oxide
Option 3: Zinc oxide
Option 4: Calcium oxide
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Correct Answer: Zinc oxide
Solution : Correct Answer is Zinc oxide
Philosopher's wool refers to the chemical zinc oxide (ZnO). Alchemists would burn zinc in the air and collect the residue, which developed into white woolly tufts, as part of their rituals.The philosopher's wool is a term used to describe zinc oxide. Zinc oxide has the chemical formula ZnO and is insoluble in water.
It is a fine, white, non-toxic, insoluble powder that is generated when zinc is heated.
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