(i) Starch is tasteless, odorless and colorless substance.
(ii) It is a white granular powdery organic chemical substance.
(iii) It is insoluble in water, alcohol and ether.
(iv) Starch turns blue in iodine solution.
(v) It breaks down at high temperature into large dextin particles.
(vi) Starch cannot oxidize Fehling’s solution.
(vii) Iodine reacts with amylose of starch to produce black or black-blue color.
(viii) Iodine reacts with amylopectin of starch to produce red or purple color.