Define procedure for detection of chalk in flour, Biology

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Define Procedure for Detection of Chalk in Flour

Carry out the experiment following the procedure given herewith:

1. Take a teaspoon of flour in a test tube and shake it with 10 ml distilled water.

2. Warm 20 ml dilute HCl in a beaker to 50-60°C and add to the test tube containing flour.

3. Observe for the effervescence. If gas bubbles are released, it indicates the presence of chalk in flour.

 


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