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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।

ScienceWhy can sodium hydrogen carbonate be used in fire extinguishers?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11Medium ScienceAn antacid taken for excess stomach acid works on which principle?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11Medium ScienceThe condition that damages tooth enamel is related to which of the following?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11Medium ScienceWhich substance can be added to basic soil so that acidic substances may gradually form?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11Medium ScienceWhich substance is most suitable for treating acidic soil?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11Medium ScienceWhich substance will react with an acid to give carbon dioxide instead of hydrogen?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Medium ScienceA metal and an acid react to form a salt and hydrogen gas. If the metal is magnesium and the acid is sulphuric acid, which salt will be formed?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Medium ScienceThe gas formed in an acid and metal carbonate reaction can make lime water clear again when passed in excess. What is the reason?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Medium SciencePhenolphthalein turns pink and methyl orange turns yellow in a solution. What is the nature of this solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Medium ScienceIn a solution, red litmus turns blue, but blue litmus shows no change. What type of solution is it?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Easy ScienceIn a solution, blue litmus turns red, but red litmus shows no change. What is the nature of the solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Easy ScienceIf a basic solution has pH 13, in which direction will it change when water is added?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Medium ScienceIn which pair can both substances show acidic nature?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Easy ScienceIn which pair can both substances show basic nature?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Easy ScienceIf the pH value increases from 7 to 11, what will be the nature of the solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Easy ScienceIf the pH value decreases from 7 to 3, what change occurs in the nature of the solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Medium ScienceWhy should acid be added slowly to water while mixing acid with water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Medium ScienceHow can onion juice identify a base as an olfactory indicator?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Easy ScienceHow can hibiscus flower extract help in identifying acids and bases?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Easy ScienceWhy is it proper to store bleaching powder in a dry and closed container?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Medium