Question

Given below from (i) to (iv) are some food items .(i) Boiled and mashed potato (ii) Glucose solution (iii) A slice of bread (iv) Mustard oil. Which of the above will give blue-black colour when tested with iodine * 1 point (i) and (ii) (i) and (iii) (ii) and (iii) (iii) and (iv)​

Answer 1

Answer:

https://Physical_change

Physical change - Wikipedia

Explanation:

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Answer 2

Answer:

Starch is a complex carbohydrate present in potatoes, whole grains and cereal grains, composed of multiple glucose chains. Therefore, boiled mashed potato and a slice of bread would give a blue-black colour when tested with iodine. Thus, the correct answer is option C i.e., C. (ii) and (iii).

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