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Identify the wrong statement.

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Rayon or artificial silk is a cellulose derivative.

Cellulose,chitin ,and peptidoglycan are structural polyaccharides.

Starch gives red colour,while glycogen gives blue colour with iodine solution.

Raffinose is a trisaccharide containing glucose,galactose,and fructose units.

answer is C.

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Detailed Solution

Starch iodine test is used to detect the presence of starch .The combination is blue in colour ..Glycogen iodine test is used to detect the presence of glycogen .The combination is red in colour .

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