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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।

ScienceWhat colour does turmeric turn when it comes in contact with a basic substance?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12Easy ScienceWhat colour does methyl orange show in a basic solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15Easy ScienceWhat colour does methyl orange show in an acidic solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15Easy ScienceWhat colour does methyl orange show in an acidic solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Easy ScienceRed litmus turns blue in a solution. What nature does it show?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Easy ScienceBlue litmus turns red in a solution. What does this indicate?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Easy ScienceHow does phenolphthalein appear in an acidic solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Medium ScienceA solution with pH 5 will be considered what type of solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Easy ScienceWhat colour does methyl orange show in an acidic solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12Medium ScienceWhat colour does phenolphthalein show in a basic solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12Medium ScienceWhat is the nature of a solution that turns red litmus paper blue?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12Easy ScienceWhat is the nature of a solution that turns blue litmus paper red?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12Easy ScienceMethyl orange is yellow and turmeric is reddish-brown in a solution. What is the correct conclusion about this solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium ScienceMethyl orange is red and phenolphthalein is colourless in a solution. What should be added to neutralise it?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Medium ScienceMethyl orange is red in a solution. On adding base, its colour becomes yellow. What is the conclusion?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Medium ScienceIf phenolphthalein is added to an acidic solution and then a base is added slowly, when will the pink colour appear?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12Medium ScienceAn indicator shows red in acidic solution and yellow in basic solution. Which indicator could it be?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11Easy ScienceMethyl orange is red in a solution, but it becomes yellow when base is added slowly. What does this show?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Medium ScienceMethyl orange turns yellow and phenolphthalein turns pink in a solution. What is the nature of the solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Easy ScienceAcid is slowly added to a basic solution. The pink colour of phenolphthalein finally disappears. What point can this indicate?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Medium