The salt present in tooth enamel is :

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MCQ (Single)Importance of pH in Everyday LifeCBSE PYQ

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Tooth enamel is one of the hardest substances in our body. How does it undergo damage due to eating chocolates and sweets? What should we do to prevent it?

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Fresh milk has a pH of 6. When it changes into curd will its pH increase or decrease? Why?

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Fresh milk has a pH of 6. To delay its curdling, a chemical substance is added to it, which is :

MCQ (Single)Importance of pH in Everyday Life