Question

changing of milk into curd is desirable and chemical change ( true / false )​

Answer 1

Answer- The above question is from the chapter 'Physical and Chemical Changes'.

5 basic characteristic features to prove that a chemical change has taken place are:

1. Evolution of heat and light

2. Change of colour

3. Evolution of gas

4. Change of odour

5. Change of temperature

Given question: Changing of milk into curd is desirable and chemical change. (True / False)​

Answer: TRUE

Milk turns into curd due to the action of Lactobacillus bacteria.

Due to this, there is a change of odour and composition.

This is a chemical change.

It is also desirable as it helps in obtaining curd.

Answer 2

Answer:

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Explanation:

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