28.
a. Mention the pH range within which our body works. Explain how
antacids give relief from acidity. Write the name of one such antacid.
b. Fresh milk has a pH of 6. How does the pH will change as it turns to
curd? Explain your answer.
C. A milkman adds a very small amount of baking soda to fresh milk.
Why does this milk take a longer time to set as curd?
d. Mention the nature of toothpaste. How do they prevent tooth
decay?
and this question to answer
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Answer:
Antacids neutralizes excess of acid in our body and give relief from hyperacidity. Sodium hydrogen carbonate is one of such antacid. (b) pH will decrease as it turns to curd because curd is acidic due to the presence of lactic acid. ... They neutralize the acid formed in mouth which causes tooth decay.
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Answer:
our body works within the pH range ot7.0to 7.8,milk of magnesia ,a mild base ,magnesium hydroxide,c) because to prevent milk changes to curd d) basic in nature . when the pH in the mouth is below 5.5 bacteria presents in the mouth produces acid by degradation of sugar and food particles reaming in the mouth after eating the best way to prevent the tooth decay
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