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Hydrogen Ions

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

ScienceOne solution has pH 1 and another has pH 4. How much greater is the hydrogen ion concentration in the first solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Hard ScienceA substance's aqueous solution has excess hydrogen ions. What will happen to blue litmus?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Easy ScienceIf a solution changes from pH 4 to pH 7, what happens to hydrogen ion concentration?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Medium ScienceAn acidic solution has pH 2. If it is made ten thousand times less acidic, what will be the approximate new pH?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Hard ScienceIf hydroxide ions are added to an acidic solution, what change will occur first?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12Medium ScienceA solution has pH 3. If the hydrogen-ion concentration becomes one hundred times lower, what will be the approximate new pH?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12Hard ScienceWhy does pH increase when hydroxide ions are added to an acidic solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11Medium ScienceAn acidic solution has pH 4. If it is made one thousand times less acidic, what will be the approximate new pH?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11Hard ScienceA solution is acidic but very dilute. Around what pH can it be?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Medium ScienceIf hydrogen ions are much more numerous than hydroxide ions in a solution, which colour is more likely with universal indicator?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Easy ScienceIf a solution has pH 3 and it is made one hundred times less acidic, what will be the approximate new pH?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9Hard ScienceWhat is the basic reason for water formation in an acid-base reaction?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9Medium ScienceA student says that pH zero means there is no acid. What is the correct evaluation?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Medium ScienceIf the pH of a solution changes from 2 to 5, what happens to the hydrogen ion concentration?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Hard ScienceIf one solution has one hundred times more hydrogen ions than another solution, by how much will its pH be lower approximately?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 ScienceIf the pH of a solution increases from 3 to 6, what happens to its acidity?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceA solution turns blue litmus red and gives a colourless gas with zinc metal. Which ion will mainly be present in this solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Hard 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