Question

given below from 1 to 4 are some food items.

1.boiled and mashed potato
2. Glucose solution
3.a slice if bread
4.Mustard oil

Which of the above will give blue black colour when tested with iodide

(a) 1and 2
(B)1and 3
(c)2 and 3
(d)3 and 4
....​

Answer 1

Answer:

The correct answer is option A

Explanation:

Boiled and mashed and a slice of bread will give blue-black color when tested with iodine Amylose in starch is responsible for the formation of deep blue color in the presence of iodine.

In the Iodine test, Iodine dissolved in an aqueous solution of Potassium Iodide (KI) reacts with starch producing a bluish color.

Mark it as brainliest

Answer 2

Answer:C

Explanation:they gets blue black colour