Question

what are the conditions required for setting a good curd ​

Answer 1

Answer:

OBSERVATIONS--->It will be seen that curd forms only in bowl 1. This is because the starter curd contains Lactobacillus which helps the milk to set to curd. Lactobacillus multiplies only at room temperature. Thus,only a little amount of curd is added to milk as a starter to set the curd

Explanation:

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Answer 2

Setting of curd is a chemical change because a new substance(lactic acid) is formed. The curd formed has a different taste than the original substance. Also, once the curd is formed, milk cannot be re-obtained from it. It is an irreversible change.

We add a small amount of curd to mild warm milk to set curd. The curd is added as culture/seed which already contains lactobacillus bacteria that multiply to turn milk in curd. We warm the milk to provide optimum temperature for bacteria to grow and multiply. the milk turns acidic due to presence of lactic acid.

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