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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।

ScienceIf a substance gives hydroxide ions in water, what effect will its solution show on an indicator?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Medium ScienceWhy is care needed while mixing a strong base with water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Medium ScienceWhen acid and base are added dropwise separately to a solution, its pH changes each time. What does this show?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Medium ScienceWhen sodium carbonate crystals are heated, their hydrated nature decreases. This is related to which idea?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Medium ScienceWhich substance is used for bleaching in the textile industry?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Medium ScienceA solution has pH 7 but contains a dissolved salt. Which salt is most likely?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Medium ScienceWhat is the colour of methyl orange in an acidic solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Easy ScienceAn acid reacts with zinc to give one gas and with sodium carbonate to give another gas. What are the correct identities of the two gases?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Medium ScienceWhich statement correctly describes the general nature of metal oxides and non-metal oxides?Class 10Chemical Substances – Nature and BehaviourMetals and Non-metalsLevel 7Medium ScienceIf one solution has one hundred times more hydrogen ions than another solution, by how much will its pH be lower approximately?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Medium ScienceTurmeric as a natural indicator is especially useful for identifying which type of solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Easy ScienceIf a salt solution turns red litmus blue, which could be a possible example?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Medium ScienceAn unknown gas turns lime water milky but does not give a pop sound near a burning splint. Which gas is it?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Medium ScienceWhy does the solution become warm when acid is added to water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Medium ScienceBlue litmus turns red in a solution. Then sodium hydroxide is added drop by drop. What happens near the neutralisation point?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Medium ScienceAn aqueous solution feels soapy and turns red litmus blue. In which range is its pH most likely to be?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Easy ScienceWhy do small pellets of sodium hydroxide become wet when left exposed?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Easy ScienceA solution conducts electricity but does not contain solid sodium chloride. What is the best reason for conductivity of an acidic solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Medium ScienceIf a substance turns blue litmus red and forms salt and water with another substance, what is the nature of the second substance?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Easy ScienceWhy is a basic toothpaste useful for teeth?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Easy