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Byju's Answer
Standard VII
Biology
Types of Nutrients in Food and Their Sources
________ give...
Question
________ gives a blue black colour with iodine solution.
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Solution
Dear student, Starch is the answer. Regards
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Q.
Study the given statements and select the correct answer.
(i)Cellulose is a homopolymer of glucose.
(ii)Inulin is a homopolymer of fructose.
(iii)Starch gives blue colour and glycogen gives red colour with iodine solution.
(iv)Cellulose gives no colour with iodine solution.
Q.
Rice is a rich source of starch and iodine gives blue black colour with starch. If you add iodine solution to chewed rice what colour will it give?
Q.
Iodine reacts with ____ in the food to give a blue
-black colour.
Q.
Starch is a mixture of two components, a water soluble component amylose(15-20%) and a water insoluble component amylopectin (80-85%). The aqueous solution of amylose gives a blue colour with iodine solution due to the formation of:
Q.
Diphenyl amine gives a deep blue colour with a solution of :
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Types of Nutrients in Food and Their Sources
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