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RELATED QUESTIONS

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।

ScienceThe pH of a solution changes from 2 to 5. What happens to the hydrogen ion concentration?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15Hard ScienceA solution turns blue litmus red but the same substance in dry form has no effect on litmus. What is the most appropriate reason?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15Medium ScienceWhy is it not correct to identify a colourless solution as acid or base only by looking at it?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Easy ScienceWhy does an acidic solution not always become basic immediately even after strong dilution with water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium ScienceFor preparing bleaching powder, chlorine gas is passed over which substance?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium ScienceA substance forms salt and water with acid but is insoluble in water. What is it called?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium ScienceIf sodium hydroxide is slowly added to an acidic solution, what main ionic change occurs during neutralisation?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium ScienceA student says carbonates give hydrogen with acids. What is the correct correction?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Easy ScienceA solution giving blue colour with universal indicator turns green after acid is added. What does this mean?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Easy ScienceWhat is the correct reason for avoiding storage of curd in a copper vessel?Class 10Chemical Substances – Nature and BehaviourMetals and Non-metalsLevel 14Medium ScienceWhy is the aqueous solution of non-metal oxides often acidic?Class 10Chemical Substances – Nature and BehaviourMetals and Non-metalsLevel 14Medium ScienceWhy are metal oxides generally considered basic?Class 10Chemical Substances – Nature and BehaviourChemical Reactions and EquationsLevel 14Medium ScienceOne solution turns red litmus blue and another turns blue litmus red. What will be the main products when they are mixed?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium ScienceWhy is acid rain harmful to aquatic organisms?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium ScienceIf a solution shows pH 13, what precaution is correct while handling it?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Easy ScienceWhich statement about the nature of salts is correct?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium ScienceWhy does pH increase when slaked lime is added to acidic soil?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium ScienceThe pH of an acidic solution changes from 3 to 6. What happens to acidity?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium ScienceWhy is it wrong to identify an acid by taste in the laboratory?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Easy ScienceThe milkiness of lime water appears due to formation of which insoluble compound?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Easy