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RELATED QUESTIONS

Acids Bases And Salts

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

ScienceMetal oxides form salt and water with acids. This is an example of which broader rule?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Medium ScienceThe aqueous solution of a non-metal oxide turns blue litmus red. How can it react with a base?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Medium ScienceA salt solution shows both pH 7 and electrical conductivity. What type of salt can it be?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Medium ScienceWhy is it safer to add acid slowly into water while diluting acid?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Hard ScienceWhat is the correct pair of the gas formed at the cathode and the base remaining in solution in the chlor-alkali process?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Hard ScienceSodium chloride solution has pH near 7. Still it conducts electricity. What does this prove?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Medium ScienceMethyl orange is red in a solution. On adding base, its colour becomes yellow. What is the conclusion?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Medium ScienceA substance forms salt and water with an acid but does not dissolve in water. What is it?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Medium ScienceMagnesium gives a gas in an acidic solution, but calcium carbonate gives a different gas in the same solution. Which pair is correct?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Medium ScienceHow does basic toothpaste help prevent tooth decay?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Medium ScienceA small amount of base is added to an acidic solution and pH changes from 3 to 5. How much did the acidity change approximately?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Medium ScienceWhy does acid rain slowly corrode a marble statue?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Medium ScienceA solution has pH 7 and conducts electricity. Which solution could it be?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Medium ScienceIf a gas turns moist red litmus blue but has no effect on dry red litmus, what is the conclusion about the gas?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Medium ScienceWhy can the bleaching property of bleaching powder decrease when it is kept in a moist open place?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Hard ScienceWhy does pH increase when hydroxide ions are added to an acidic solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Medium ScienceThe pH of a lake decreases due to acid rain. Adding lime raises the pH. What type of process is this?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Medium ScienceOn strong heating of baking soda, the gas evolved turns lime water milky. What is the name of the remaining solid?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Medium ScienceA solution has pH 13. After adding water, its pH becomes 11. What is the correct conclusion?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Medium ScienceHow can sodium hydroxide form sodium carbonate when kept in open air?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Medium