Q. 55.0( 1 Vote )

The following statements, describe the steps to detect the presence of metanil yellow in dal. One of the four statements given below is incorrect.

(a) take 2 ml of food extract

(b) Grind 3-5 g of dal and prepare solution

(c) add 2-3 drops of concentrated H2SO4

(d) fitter the contents and collect the filter

Answer :

Metanil presence can be detected by adding 2 to 3 drops of concentrated H2SO4. The solution turns pink if metanil is present.

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