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test for starch- dissolving in water+heating+cooling+3-4 drops of tincture iodine, if present, dark blue colour will appear.

test for colour- dissolving in water + HCL ,if metanil yellow colour is present, pink colour will appear.

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13y ago

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How to test purity of mawa or khoya?

Khoya/ Mawa is sweet evaporated milk used in many Indian dishes. These evaporated milks are readily available throughout India but many people choose to make their own at home due to purity problems with store bought versions. The purity of the milk can be tested with a lactometer, though these aren't really made for home use.


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