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Acid Test

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

ScienceA colourless solution turns blue indicator paper red but produces no bubbles with carbonate. Which conclusion is most correct?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Hard ScienceAn unknown solution turns blue litmus red and gives a gas with metal carbonate that turns lime water milky. What is the nature of the solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9Medium ScienceAn unknown solution turns blue indicator paper red and gives a gas with magnesium. What is the nature of the solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Expert ScienceAdding sodium carbonate to a solution gives no gas, but adding acid to sodium carbonate gives gas. What does this indicate?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Medium