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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।

ScienceHow can adding organic manure improve highly basic soil?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8MediumScienceWhy does a farmer add slaked lime to highly acidic soil?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8MediumScienceHow does basic toothpaste help prevent tooth decay?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8EasyScienceTooth decay increases when the acidity value in the mouth becomes too low. What is the main reason?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8MediumScienceWhy does a mild basic substance give relief in indigestion caused by excess stomach acid?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8EasyScienceAt the same concentration, which will show a stronger acidic effect between hydrochloric acid and acetic acid?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8MediumScienceZinc oxide reacts with both acids and bases. Which property does this prove?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8EasyScienceWhy is aluminium oxide called amphoteric?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8MediumScienceWhich conclusion is correct for the reaction between a non-metal oxide and a base?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8MediumScienceWhat products are generally formed when a metal oxide reacts with an acid?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8EasyScienceWhy does the milkiness disappear when excess carbon dioxide is passed through lime water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8MediumScienceA gas evolved by adding acid to a carbonate turns lime water milky. Which gas is it?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8EasyScienceWhy is hydrogen gas generally not evolved when dilute hydrochloric acid is added to copper?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8MediumScienceThe gas evolved in the reaction of zinc with dilute acid gives a pop sound near a burning splint. Which gas is confirmed?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8EasyScienceAn 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 8ExpertScienceWhy will the same gas change colour on moist blue indicator paper?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8ExpertScienceDry hydrogen chloride gas has no effect on dry blue indicator paper. What is the most correct reason?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8ExpertScienceWhy should acids or bases not be identified by taste in a laboratory?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15EasyScienceWhich gas is formed at the cathode in the chlor-alkali process?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15EasyScienceWhich gas is formed at the anode in the chlor-alkali process?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 15Easy