Question

Identify the components present in the material based on the following results or conclusion.
(a) Cut rhe raw potato and apply two to three drops on it shows blue - black colour.
(b) Wrap the ground nut seed and crush it carefully,oily patch can be seen on paper​

Answer 1

Answer:

(a) Starch

(b) Fat

Explanation:

(a) Starch in potato reacts with iodine to give blue-black colour.

(b) Fat present in nut is a hydrocarbon and spreads on paper like oil.