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Carbonates

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

ScienceA substance gives carbon dioxide with acid and its solution is basic. Which substance can it be?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 14MediumScienceWhen acid is added to a metal carbonate, the evolved gas turns lime water milky. What is the correct identification and reason?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13MediumScienceAn unknown sample reacts with acid to give a gas that turns lime water milky. Which class could the sample belong to?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 12MediumScienceHow does washing soda help soften hard water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceA gas produced by adding dilute hydrochloric acid to sodium carbonate solution is passed through limewater. Why does limewater first turn milky and then become clear when excess gas is passed?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7ExpertScienceIf washing soda is added to hard water, what is the main benefit of insoluble substance formation?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13MediumScienceMagnesium gives a gas in an acidic solution, but calcium carbonate gives a different gas in the same solution. Which pair is correct?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 13MediumScienceWhat is the similarity in the reaction of carbonates and hydrogen carbonates with acids?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceWhen hard water is mixed with aqueous washing soda, hardness decreases. What is the main reason?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10MediumScienceWhich substance is useful in softening hard water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9MediumScienceMagnesium produces a gas when added to an acidic solution. If sodium carbonate is added to the same solution, which other gas will be released?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8MediumScienceWhich statement correctly relates acid rain and carbonate rocks?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8MediumScienceA student added dilute acid to sodium carbonate and passed the gas into lime water. Milkiness appeared first and then disappeared on passing excess gas. What is the correct reason?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Hard