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Class 10 Science के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

ScienceWhat is the chemical benefit of basic toothpaste for teeth?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14MediumScienceWhy is toothpaste generally made mildly basic?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9EasyScienceTo prevent tooth decay, it is better for the pH of the mouth to remain above about which value?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6MediumScienceThe condition that damages tooth enamel is related to which of the following?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceWhy is rinsing the mouth after meals helpful in protecting tooth enamel?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceFour solutions have pH values 5, 7, 9 and 11. Which acidic solution among them is least harmful to teeth?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9MediumScienceWhat is the main purpose of keeping toothpaste mildly basic?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6MediumScienceWhy is toothpaste made mildly basic?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9EasyScienceWhen can tooth decay start in the mouth?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Easy