Question

When alkaline copper sulphate solution is added to a food item, a violet colour is produced. The

food item is most probably

i. Cooked rice

ii. Milk

iii. Butter

iv. Potato​

Answer 1

When alkaline copper sulphate solution is added to a food then a violet colour is produced. That colour is most probably due to the presence of the food item which is potato. Option D.

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