SSC
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The pH of milk is 6.4. Based on this information, which of the following statements best describes milk?
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Very Basic
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Slightly Basic
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Very Acidic
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Slightly Acidic
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Explanation:
Detailed explanation-1: -Answer: D-It is slightly acidic.
Detailed explanation-2: -Answer: Fresh milk has a pH of 6 and when it changes into curd the pH value will decrease because curd contains lactic acid. As the production of acid takes place the pH value becomes lesser than 7 which is the cause of acidity. The acidity will increase on this conversion and tastes will change to sour.
Detailed explanation-3: -Answer and Explanation: The milk of cows is a weak acid. Its pH, or potential of hydrogen, is usually between 6.5 and 6.7. On the pH scale, 7 is the neutral point, and any value less than 7 means the substance is acidic.
There is 1 question to complete.