Question

Difference between pale catechu and black catechu

Answer 1

Answer:

i don't know i read in class 6

Explanation:

pls mark these low level as a brainliest pls please

Answer 2

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Black catechu with ferric chloride gives bluish-black color. 2. Black catechu with vanillin or Hydrochloric acid gives red or pink color. ... On the other hand, Pale catechu gives the positive result for gambier fluorescein test

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