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

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 ScienceWhich substance can absorb an acidic gas and form a salt?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Medium ScienceBlue litmus turns red in a solution, and bubbles form when chalk powder is added to it. What is the correct conclusion?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Medium ScienceWhy is there a risk of harmful substances forming when lemon juice is stored in a copper vessel?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Hard ScienceOn heating a sample, water droplets appear and its colour changes. This may identify what kind of salt?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Medium ScienceWhat will be the nature of sodium carbonate formed by heating baking soda?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Medium ScienceThe gas from an acid-metal reaction is collected in soap bubbles and burns with a pop sound. What does this confirm?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Medium ScienceIf a student first takes acid in a beaker and then adds water while diluting acid, what is the main mistake?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Medium ScienceWhy can relief methods for an ant sting and a scorpion sting be different?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Hard ScienceWhy would it be wrong to call a solution with pH 8 neutral?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Medium ScienceWhat can happen to setting if too much water is used while making a plaster of Paris statue?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Hard