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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।

ScienceHow can acid rain affect organisms living in lake water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15Medium ScienceWhich precaution is most suitable while handling a solution of pH 13?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15Easy ScienceWhich statement about the nature of salts is scientifically correct?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15Medium ScienceThe pH of an acidic solution changes from 1 to 4. What happens to acidity?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15Medium ScienceIf the effects of hydrogen and hydroxide ions in a solution are approximately balanced, what colour will a universal indicator show?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15Easy ScienceAn aqueous solution has pH 12 and feels soapy. What is the safest conclusion?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15Medium ScienceIf pH changes from 4 to 7, what happens to the hydrogen-ion concentration?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15Medium ScienceA basic solution changes from pH 13 to pH 10. Approximately how did its basicity change?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15Hard ScienceWhy does pH increase when hydroxide ions are added to an acidic solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15Medium ScienceA salt solution shows pH 10. From which type of acid and base is it more likely formed?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15Hard ScienceWhy does an acidic solution not always become basic immediately even after strong dilution with water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium ScienceA solution giving blue colour with universal indicator turns green after acid is added. What does this mean?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Easy ScienceWhy is acid rain harmful to aquatic organisms?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium ScienceIf a solution shows pH 13, what precaution is correct while handling it?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Easy ScienceWhich statement about the nature of salts is correct?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium ScienceThe pH of an acidic solution changes from 3 to 6. What happens to acidity?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium ScienceIf hydrogen ions and hydroxide ions are nearly balanced in a solution, what colour will universal indicator show?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Easy ScienceAn aqueous solution feels soapy and shows pH 12. Why can touching it directly be dangerous?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium ScienceWhen the pH of an acidic solution changes from 2 to 5, what happens to hydrogen ion concentration?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium ScienceA basic solution changes from pH 14 to pH 11. Approximately how did its basicity change?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Hard