Question

1. What is the chemical reaction involved in milk to yogurt
2. Write the name of 10 acids and their source
3. Explain about PH
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Answer 1

Answers :—

1 ➤ Milk is converted by the fermentation process into curd or yoghurt .

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2

Answer :— 1. Vinegar:$\longmapsto\tt\bf$ Acetic acid

2. Apple: $\longmapsto\tt\bf$Malic acid

3. Tamarind:$\longmapsto\tt\bf$Tartaric acid.

4. Milk: $\longmapsto\tt\bf$ Lactic acid

5. Lemon: $\longmapsto\tt\bf$Citric acid.

6. Tomato $\longmapsto\tt\bf$Ascorbic acid.

7. Grapes: $\longmapsto\tt\bf$ Tartaric acid .$\rule{200px}{.3ex}$

3 ➤pH is a measure of how acidic/basic water is. The range goes from 0 to 14, with 7 being neutral. pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base .$\rule{200px}{.3ex}$