Chemistry, asked by shanthimelisha80, 1 year ago

Chemical test to distinguish black and pale catechu is

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Answered by TojoRealMadrid

Answer:

Chemical test of black catechu: 1. Black catechu with ferric chloride gives bluish-black color. ... Black catechu with vanillin or Hydrochloric acid gives red or pink color.

Explanation:

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