Question

13. When iodine is added to a warmed test tube
containing cornflour, water, and saliva, the
colour of the mixture will
(a) remain unchanged (b) turn blue-black
(c) turn red
(d) turn yellow
ansure that the workers at​

Answer 1

Answer:

(b) turn blue- black

because cornflour contains starch

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Answer 2

Answer:

turn blue black

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