When alkaline copper sulphate solution is added to a food item, then a violet colour is produced. The food item is most probably:
(A). Milk (B). Butter (C). Potato (D). Cooked rice
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[d] cooked rice
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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 C.
Explanation:
- Potato consists of a large amount of starch. One of the method to determine starch is by using alkaline copper sulphate solution
- alkaline copper sulphate solution with added to starts get change to a violet colour. Hence the food must contain starch which is only present in boiled potato among the given option.
To know more about the test to determine starch,
Chemical test to differentiate glucose and starch - Brainly.in
https://brainly.in/question/7294098
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