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Sodium Hydroxide

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

ScienceWhat is the formula of sodium hydroxide?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 1EasyScienceWhere is sodium hydroxide obtained in the chlor-alkali process?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14MediumScienceWhy does sodium hydroxide not remain pure when kept in open air?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14MediumScienceWhy is it dangerous to touch sodium hydroxide with bare hands?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13MediumScienceIf sodium hydroxide solution is left exposed to air, which substance may form over time?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13MediumScienceWhen excess carbon dioxide gas is passed through sodium hydroxide solution, what can finally be the main product?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13HardScienceWhy is it not suitable to leave sodium hydroxide open in air?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12MediumScienceA solution turns red litmus blue and phenolphthalein pink. Which could it be?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12EasyScienceWhich pair will undergo a neutralisation reaction when mixed?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12EasyScienceSodium hydroxide produced in the chlor-alkali process is useful in which industry?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12EasyScienceWhy does the solution near the cathode become basic in the chlor-alkali process?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11HardScienceWhy does the basicity decrease when carbon dioxide is passed through sodium hydroxide solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11HardScienceWhen sodium hydroxide is slowly added to an acidic solution, what is the main ionic change?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceWhy can sodium hydroxide become impure when kept in open air?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10HardScienceWhy can sodium hydroxide slowly form carbonate when left open in air?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9MediumScienceWhat change occurs when red litmus is added to a sodium hydroxide solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9EasyScienceWhy can the strength of sodium hydroxide decrease when it is left exposed to air?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8MediumScienceWhat are the main products obtained in the chlor-alkali process?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15EasyScienceWhich gas can be released when sodium hydroxide reacts with zinc?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7MediumScienceThe basic strength of sodium hydroxide solution may decrease if it is left open for a long time. What is the main reason?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Medium