Std10-Science-EM-2

Page 140

Zoology Ex. No : 1

Date :

To find out the presence of starch in the given food samples of A and B by using Iodine solution. Aim: To find out the presence of starch in the given food samples of A and B by using iodine solution. Requirements:

Test tubes, Iodine solution.

Procedure: Take 1 ml of foood sample A and B in separate test tubes.

Add one drop of Iodine solution in bothe the test tubes.

Observe the colour change and record.

Indication : Appearence of dark blue colour indicates the presence of starch.

SCIENCE

Table: Sl.No

Food Sample

1

A

2

B

Observation

Presence / Absence of Starch

Result:

The food sample__________________contains starch.

292


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