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Dilution

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

ScienceWater is added to an acidic solution but it remains acidic. What is the correct reason?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Medium ScienceA solution had pH 3 and after dilution it became pH 5. By how much did the hydrogen ion concentration decrease?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Hard ScienceIf equal amounts of water are repeatedly added to an acidic solution, what change is expected?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9Hard ScienceA solution shows pH 11, but after adding much water its pH becomes 9. What does this correctly mean?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Medium ScienceIf a small amount of acid falls on the skin, what should be the first safe step in the laboratory?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Medium ScienceAn acidic solution is diluted with a large amount of water. Which conclusion is most scientific?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Medium ScienceWhat happens to hydrogen-ion concentration when water is added to an acidic solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhich statement is correct when an acidic solution is diluted with water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhen water is added to a basic solution, the number of hydroxide ions per unit volume decreases. What will be the effect on pH?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11Medium ScienceWhen water is added to an acidic solution, the number of hydrogen ions per unit volume decreases. What will be the effect on pH?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11Medium ScienceWhat is the safe method for diluting concentrated acid?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11Medium ScienceIf a basic solution has pH 13, in which direction will it change when water is added?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Medium ScienceWhy can adding water directly to concentrated acid cause an accident?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Medium ScienceWhat happens to the number of hydroxide ions per unit volume when water is added to a basic solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9Easy ScienceWhat happens to the number of hydrogen ions per unit volume when water is added to an acidic solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9Easy ScienceA basic solution has pH 12. What happens to its pH when water is added?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9Medium ScienceA solution has pH 4. When water is added to the same solution, in which direction is its pH likely to change?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9Medium ScienceA student added water to concentrated acid. Why is this dangerous?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Medium ScienceDuring dilution of an acid, the outer surface of the glass container feels hot. What type of process does this show?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Medium ScienceWhat care should be taken while mixing acid with water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Easy