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Basic Solution

Class 10 Science के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

ScienceWhen water is added to a basic solution, the number of hydroxide ions per unit volume decreases. What will be the effect on pH?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceA universal indicator shows violet colour in a solution. What does this indicate?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumScienceA turmeric stain becomes reddish brown when soap is applied. This indicates which nature of soap?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11MediumSciencePhenolphthalein 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 10MediumScienceIn 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 10EasyScienceIf 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 10MediumScienceIf 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 10EasyScienceHow can onion juice identify a base as an olfactory indicator?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10EasyScienceWhich substance can identify a basic solution as a natural indicator?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceIn a solution, methyl orange becomes yellow and phenolphthalein becomes pink. What is the nature of the solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceWhat happens to the number of hydroxide ions per unit volume when water is added to a basic solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9EasyScienceThe smell of vanilla decreases in a base when used as an olfactory indicator. This observation is useful for identifying what?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9MediumScienceBetween two basic solutions of pH 10 and pH 13, which one is more basic?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9MediumScienceA solution turns red litmus blue and gives pink colour with phenolphthalein. What is the nature of the solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9EasyScienceA basic solution has pH 12. What happens to its pH when water is added?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9MediumScienceWhat colour does methyl orange generally show in a basic solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8EasyScienceIf a solution turns red litmus blue and turmeric reddish brown, what is its nature?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8MediumScienceWhich of the following salts forms a basic aqueous solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8MediumScienceWhat colour does phenolphthalein show in a basic solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7MediumScienceIn which pH range is a solution considered basic?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Medium