Chemistry Investigatory Project Acknowledgement

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What is the isoelectric pH of casein?

3.9

4.7 (correct)

5.5

6.5

What causes milk to become sour when kept for a long time at a temperature of 5 degrees?

Presence of lactic acid

Separation of fats from the milk

Formation of casein precipitate

Conversion of lactose by bacteria (correct)

What is the main constituent responsible for the sweetish taste of fresh milk?

Carbohydrate (correct)

Minerals

Fats

Protein

What does adding 10% acetic acid solution do to the milky casein solution?

Causes the casein to precipitate Signup and view all the answers

What is the title of the chemistry project report submitted?

Study of Quantity of Casein content in different samples of milk Signup and view all the answers

Who provided information for completing the investigatory project?

Mrs Nikita Jain Signup and view all the answers

What happens to casein in milk under acidic conditions and around 36 degrees temperature?

It forms a semi-solid mass called curd Signup and view all the answers

What is the main purpose of the project?

To study the quantity of casein content in different samples of milk Signup and view all the answers

According to the certificate, who supervised the detailed study carried out by the student?

Chemistry teacher Signup and view all the answers

What is milk according to the provided context?

A white fluid secreted by mammary glands Signup and view all the answers

Chemistry Investigatory Project Acknowledgement

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Questions and Answers

What is the isoelectric pH of casein?

What causes milk to become sour when kept for a long time at a temperature of 5 degrees?

What is the main constituent responsible for the sweetish taste of fresh milk?

What does adding 10% acetic acid solution do to the milky casein solution?

What is the title of the chemistry project report submitted?

Who provided information for completing the investigatory project?

What happens to casein in milk under acidic conditions and around 36 degrees temperature?

What is the main purpose of the project?

According to the certificate, who supervised the detailed study carried out by the student?

What is milk according to the provided context?

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