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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।

ScienceBlue litmus turns red in acid. What does this identify?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Easy ScienceWhat colour does phenolphthalein become in a basic solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Easy ScienceWhich method is safest for diluting concentrated sulphuric acid in a laboratory?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Easy ScienceWhat colour does methyl orange become in a basic solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Easy ScienceWhat happens to the colour of moist blue litmus paper when it is exposed to hydrogen chloride gas?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 10Easy ScienceHow can organic matter help improve basic soil?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9Easy ScienceWhich of the following salts is known to form a neutral solution in water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9Easy ScienceAcid rain is generally considered to have pH below which value?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9Easy ScienceA student chooses a substance to relieve acidity by neutralising excess hydrochloric acid in the stomach. Which of the following is suitable?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9Easy 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 ScienceWhich substance should a farmer add to acidic soil to reduce its acidity?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9Easy ScienceWhich of the following salts forms a neutral aqueous solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9Easy ScienceWhich gas is produced when sodium hydrogen carbonate NaHCO₃ is heated?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9Easy ScienceWhich of the following salts shows a basic nature in its aqueous solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9Easy ScienceWhat happens when water is added to white anhydrous copper sulphate?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9Easy ScienceWhich of the following substances forms an aqueous solution that turns blue litmus paper red?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9Easy ScienceWhich of the following substances should a student recommend adding to acidic soil to reduce its acidity?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9Easy SciencePlaster of Paris is made from what?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9Easy ScienceWhich chemical formula represents washing soda, used for washing clothes and softening hard water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9Easy ScienceWhich salt is commonly used as an antacid to relieve indigestion caused by excess stomach acid?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 9Easy