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Brown stains in vessels and clothes indicate the presence of high...

This question belongs to General Knowledge Chemistry
Chemistry
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Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water.

Answer & Solution
Correct Answer: Option D
Brown stains in vessels and clothes generally indicate the presence of high quantities of iron. It causes reddish-brown staining of laundry, porcelain, dishes, utensils and even glassware. Manganese acts in a similar way but causes a brownish-black stain. Soaps and detergents do not remove these stains.
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