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RELATED QUESTIONS

Chemical Substances Nature And Behaviour

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

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 ScienceWhich test is correct to confirm the gas released in the reaction of an acid with an active metal?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 ScienceWhich pair is correct?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Easy ScienceAn acidic gas does not turn dry blue litmus red but turns moist blue litmus red. What does this prove?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium ScienceA soil has pH 8.8. Which idea is correct to balance it for crops?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium ScienceA solution that turns blue litmus red gives no gas with copper but gives gas with magnesium. What is the correct reason?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium ScienceWhy should bleaching powder be stored in a dry closed container?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 ScienceWhich base is obtained during electrolysis of aqueous common salt solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium ScienceEqual volumes of acid and base are mixed, but the solution remains basic. What is the most likely reason?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Hard ScienceMethyl orange is yellow and turmeric is reddish-brown in a solution. What is the correct conclusion about this solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium ScienceCopper oxide forms salt and water when added to dilute acid. What is the nature of copper oxide?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 ScienceIf hydroxide ions are slowly added to an acidic solution, why will its pH increase?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium ScienceOn heating baking soda, the remaining solid solution turns red litmus blue. What is the identity of the remaining solid?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium ScienceThe effect of acid rain on marble buildings is more evident because marble contains which substance?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium ScienceWhy does sodium chloride solution conduct electricity even though it is neutral?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium ScienceTo protect tooth enamel from dissolving, it is better to keep mouth pH above which limit?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium ScienceA substance dissolves in water to form a basic solution and gives carbon dioxide with acid. What is the most suitable identification?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium