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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।

ScienceIn which type of solution does turmeric become reddish-brown?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14EasyScienceWhat is the general nature of a solution when its pH is greater than 7?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14MediumScienceWhat colour does methyl orange give in a basic solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13MediumScienceA solution with pH 9 will be considered what type of solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13EasyScienceIn a solution red litmus turns blue and turmeric becomes reddish-brown. What is the nature of the solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13MediumScienceWhat colour does phenolphthalein show in a basic solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12MediumScienceA solution has pH 11. What will be its nature?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12EasyScienceTurmeric becomes reddish-brown and phenolphthalein becomes pink in a solution. What is the nature of the solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15EasyScienceEqual volumes of acid and base are mixed, but the solution remains basic. What is the most likely reason?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14HardScienceIf acid is slowly added to a basic solution, what change is expected near neutralisation?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13MediumScienceA solution has pH 13. After adding water, its pH becomes 11. What is the correct conclusion?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13MediumSciencePhenolphthalein is pink and methyl orange is yellow in a solution. What is the nature of the solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13EasyScienceMethyl orange is yellow and phenolphthalein is pink in a solution. Which ion is likely to be in excess?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12MediumScienceThe solid formed on heating baking soda gives a basic aqueous solution. Which solid is it?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12MediumScienceIf a basic solution is diluted with water, in which direction will its pH move?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceIf turmeric turns reddish-brown and phenolphthalein turns pink in a solution, what is the nature of the solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11EasyScienceIf a solution has more hydroxide ions and fewer hydrogen ions, what colour may universal indicator show?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9MediumScienceA 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 8MediumScienceWhy would it be wrong to call a solution with pH 8 neutral?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8MediumScienceMethyl 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