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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।

ScienceAfter testing soil and finding it acidic, a student recommends adding lime to it. What is the main reason for this recommendation?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Easy ScienceWhat kind of pH value does the most basic solution have?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Easy ScienceWhat kind of pH value does the most acidic solution have?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Easy ScienceWhich substance is commonly used as an antacid to neutralise excess acid in the stomach?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Easy ScienceA student places blue litmus paper in an acidic solution and finds that it turns red. If the student gradually adds sodium hydroxide to the solution, what will be the colour of litmus near the neutralisation point?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Easy ScienceWhich substances are formed in a neutralisation reaction?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Easy ScienceWhich of the following substances acts as an indicator by changing colour in the presence of acids and bases?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Easy ScienceWhich substance should a student add to acidic soil to raise its pH?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Easy ScienceWhich of the following substances is an example of a neutral salt?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Easy ScienceA student says that lemon juice should be taken to reduce stomach acidity because it is sour. What is the correct correction to this statement?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Easy ScienceA substance that feels soapy and slippery is generally of which type?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Easy ScienceA substance with a sour taste is generally of which type?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Easy ScienceBases change red litmus paper into which colour?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Easy ScienceAcids change blue litmus paper into which colour?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 8Easy ScienceA student dipped blue litmus paper in vinegar, and it turned red. What is the correct reason for this change?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 2Easy ScienceA farmer finds that the soil has a pH of 5. What should be added to reduce the soil’s acidity for better crop growth?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 1Easy ScienceA substance that dissolves in water to form a base is called what?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 1Easy ScienceWhich substance is used to reduce the alkalinity of highly basic soil?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 1Easy ScienceWhat do farmers generally add to improve acidic soil?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 1Easy ScienceWhich acid is mainly present in vinegar?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 1Easy