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Permanent Hardness

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

ScienceWhich substance is considered useful for reducing permanent hardness of water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsMediumScienceWhich salt is used to soften permanently hard water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsMediumScienceWhich salt is used for washing clothes and for removing the permanent hardness of hard water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsEasyScienceWhich salt is commonly used to remove permanent hardness of water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsEasyScienceWhich salt is used to remove the permanent hardness of hard water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsEasy

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