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Universal Indicator

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

ScienceWhat colour does universal indicator generally show in a neutral solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12Medium ScienceA solution giving violet colour with universal indicator becomes blue when acid is added. What does this correctly mean?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15Medium ScienceIf the effects of hydrogen and hydroxide ions in a solution are approximately balanced, what colour will a universal indicator show?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15Easy ScienceA solution giving blue colour with universal indicator turns green after acid is added. What does this mean?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Easy ScienceIf hydrogen ions and hydroxide ions are nearly balanced in a solution, what colour will universal indicator show?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14Easy ScienceA solution gives red colour with universal indicator. After adding water the colour becomes yellow but not green. What is the correct conclusion?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13Medium ScienceUniversal indicator is red in a solution. After adding water, the colour becomes orange. What does this show?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12Medium ScienceA solution has pH 7 and the universal indicator gives a light green colour. What nature does this indicate?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12Easy ScienceUniversal indicator gives blue colour in a solution. After adding acid, the colour becomes green. What does this mean?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11Medium ScienceIf hydrogen ions are much more numerous than hydroxide ions in a solution, which colour is more likely with universal indicator?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Easy ScienceIf 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 9Medium ScienceA solution gives green colour with universal indicator. When a small amount of acid is added, the colour becomes yellow. What does this show?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9Medium ScienceA universal indicator gives deep red colour in one solution and violet colour in another solution. Which comparison is correct?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Medium ScienceA universal indicator shows violet colour in a solution. What does this indicate?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11Medium ScienceA universal indicator shows orange colour in a solution. What could be the nature of the solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 11Medium ScienceIf a solution does not change either red or blue litmus, which test can give more clarity?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Medium ScienceIf a base is slowly added to an acidic solution, in which direction can the colour of universal indicator change?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Medium ScienceWhen universal indicator is added to a solution, the colour appears green. What is the nature of the solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Easy ScienceA student tests an aqueous solution with a universal indicator and observes a green colour. The student says that the solution is acidic. What is the correct correction to this statement?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9Easy