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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।

ScienceIf the pH value is less than 7, how is the solution considered?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15Easy ScienceA student adds water to an acidic solution and observes that the pH changes from 2 to 4. What is the most correct meaning of this change?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Medium ScienceIf a solution turns red litmus blue and phenolphthalein pink, what is its likely pH?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Easy ScienceThe pH of ammonium chloride solution is found to be less than 7. What is the correct reason?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Medium ScienceIf an acidic solution is diluted ten times with water, which change is expected?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Medium ScienceIn which condition will the concentration of hydrogen ions be highest?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Medium ScienceWhen hydrochloric acid is slowly added to sodium hydroxide solution, how will the pH of the solution change?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Medium ScienceTwo solutions X and Y have pH values 3 and 11 respectively. Which statement is correct?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Hard ScienceWhat is the usual pH value of a neutral solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Easy ScienceIf the pH value is greater than 7, what is the nature of the solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Easy ScienceIf the pH value is less than 7, what is the nature of the solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Easy ScienceWhat effect does an acidic solution have on blue litmus paper?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Easy ScienceHow does the pH change when hydrochloric acid is gradually added to sodium hydroxide solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhat is the main harm when acidic waste is released directly into water bodies?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhy is the pH of an aqueous solution of common salt approximately 7?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhich substance can help reduce excessive basicity of basic soil?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceHow does a basic toothpaste help after eating food?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Easy ScienceTo 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 6Medium ScienceIf two solutions have pH values 2 and 5 respectively, which solution is more acidic?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhy should acids or bases not be identified by taste in a laboratory?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Easy