Oswaal CBSE Laboratory Manual For Class 12 Chemistry

Oswaal CBSE Laboratory Manual For Class 12 Chemistry
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Oswaal CBSE Laboratory Manual For Class 12 Chemistry

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Publisher: Oswaal Books
ISBN: 9789351276203
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iv Boil the contents for about 3-4 minutes and cool it. v Filter the contents with the help of filter paper. The filtrate is the sol of starch.
PRECAUTIONS i Use only distilled water for preparation of sol. ii Convert starch into fine pastle before adding it to boiling water. iii Add starch in the form of a thin stream to boiling water. iv Constant stirring of the contents is necessary during preparation of sol.
Glass rod
Paste of starch Beaker
Wire gauze Tripod stand Burner Fig 1.1. Preparation of starch sol
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Oswaal CBSE Laboratory Manual For Class 12 Chemistry
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Publisher Oswaal Books
ISBN 9789351276203
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