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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।

ScienceWhich statement correctly differentiates the uses of baking soda and washing soda?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Medium ScienceIn an experiment, dry litmus is unaffected, but the same gas changes moist litmus colour. What is the best conclusion?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Medium ScienceA little base is added to an acidic solution, so pH increases but complete neutralisation does not occur. Why?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Medium ScienceIf a salt is obtained from seawater and used to make chlorine and sodium hydroxide, which common salt is it?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Medium ScienceA substance dissolves in water, turns red litmus blue, and feels soapy. Which ion will mainly be present?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Medium ScienceWhy is the gas formed by adding a metal to an acid not obtained with every metal?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Medium ScienceWhich substance dissolves in water to form a basic solution and also releases carbon dioxide with an acid?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Medium ScienceIf the amounts of hydrogen ions and hydroxide ions in a solution are nearly balanced, what will its pH be like?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Easy ScienceHow does the gas formed when sodium hydrogen carbonate reacts with an acid help food rise?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Easy ScienceA student says that pH zero means there is no acid. What is the correct evaluation?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Medium ScienceIf plant growth is poor in acidic soil, which substance can be carefully used to improve its pH?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Easy ScienceWhich option is most appropriate for the safe storage of acids and bases?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Easy ScienceAn aqueous acid solution conducts electricity, but the pure acid conducts poorly. What does this observation support?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Medium ScienceMagnesium produces a gas when added to an acidic solution. If sodium carbonate is added to the same solution, which other gas will be released?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Medium ScienceWhich property of bleaching powder makes it useful for whitening clothes?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Medium ScienceUnder which condition can carbon dioxide remove the milkiness of lime water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Medium ScienceWhy does an aqueous solution of sodium chloride conduct electricity even though it may be neutral?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Hard ScienceWhy does pH increase when hydroxide ions are added to an acidic solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Medium ScienceIf a salt is formed from a strong base and a weak acid, what effect will its aqueous solution generally show on red litmus?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Hard ScienceA solution shows pH 11, but after adding much water its pH becomes 9. What does this correctly mean?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Medium