5 Questions
What is used as an indicator solution for the acidity test?
Phenolphthalein indicator solution, 0.5% in 50% Alcohol
What is the purpose of the sodium hydroxide solution in the acidity test?
To titrate the acid in the milk
What instrument is used to measure precise volumes of liquids in the acidity test?
Burette, 0.1 ml graduations
Which item is used for stirring the milk in the dish during the acidity test?
A glass rod
What is used to deliver 10 ml of liquid during the acidity test?
10 ml pipette
Study Notes
Acidity Test
- Phenolphthalein is used as an indicator solution to detect acidity.
Purpose of Solutions
- Sodium hydroxide solution is used to neutralize the acid in the milk.
Laboratory Equipment
- A pipette is used to measure precise volumes of liquids.
Laboratory Techniques
- A glass rod is used for stirring the milk in the dish during the test.
Measurement and Delivery
- A pipette is used to deliver 10 ml of liquid during the acidity test.
This lab manual provides instructions for conducting the acidity test in dairy technology. It includes the equipment needed, such as porcelain dish, pipettes, burette, and indicator solutions.
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