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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।

ScienceWhich base is obtained during electrolysis of aqueous common salt solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium ScienceWhy can sodium hydroxide pellets become wet and later impure in open air?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium ScienceMethyl orange is red and phenolphthalein is colourless in a solution. What should be added to neutralise it?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium 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 ScienceHow can sodium hydroxide form sodium carbonate when kept in open air?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Medium ScienceA solution turns red litmus blue and does not release carbon dioxide when acid is added. Which substance is most likely?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Medium ScienceIf blue litmus turns red and methyl orange turns red in a solution, which substance can neutralise it?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12Easy ScienceWhich substance obtained from common salt is useful as an important base in paper and soap industries?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12Medium ScienceWhich two factors can reduce the quality of sodium hydroxide when it is kept in open air?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12Medium ScienceWhich product obtained from common salt is useful in soap and paper industries?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11Medium ScienceWhy can sodium hydroxide pellets become wet and then less pure in open air?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11Hard ScienceIn an industrial process, three products are obtained from brine. One of them is a base useful in paper and soap industries. Which base is it?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Medium ScienceSodium hydroxide kept in open air can be affected not only by moisture but also by carbon dioxide. Which substance can form?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Medium ScienceA sample turns red litmus blue but does not give carbon dioxide when acid is added. What could it be?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Hard ScienceWhat is the major risk of storing sodium hydroxide in an acid bottle?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Medium ScienceIn the chlor-alkali process, where is the sodium hydroxide mainly obtained?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Medium ScienceWhy do small pellets of sodium hydroxide become wet when left exposed?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Easy ScienceWhy can the purity of sodium hydroxide decrease when it is left exposed to air?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhich process is used to obtain sodium hydroxide from common salt?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11Medium ScienceThe alkali left in solution during the chlor-alkali process is useful in which industry?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Medium