1.

Write a short note on chitin.

Answer»

(i) Chitin is the second most abundant organic compound in nature. 

(ii) It is a fibrous homopolysaccharide of high tensile strength. 

(iii) Its basic unit is a nitrogen containing glucose derivative known as N-acetyl glucosamine. 

(iv) Chitin is soft and leathery, it provides both strength and elasticity. It becomes hard when impregnated with calcium carbonate.



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