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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।

ScienceWhat will be the approximate pH of the final solution in complete neutralisation of a strong acid and a strong base?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Medium ScienceWhy may food taste bitter if baking powder does not contain an acidic component along with baking soda?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Medium ScienceAn acidic solution is diluted with a large amount of water. Which conclusion is most scientific?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Medium ScienceWhy can sodium hydrogen carbonate be considered a useful antacid in excess acidity?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Medium ScienceIf the pH of a basic solution decreases from 13 to 10, what happens to its basicity?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Hard ScienceA student takes equal amounts of two acids. The first ionises completely and the second ionises partially. Which is more likely to have a lower pH?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 7Medium ScienceA student says all salts are neutral. Which answer correctly evaluates this statement?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhy can acid rain water be harmful for aquatic organisms?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceA dilute acid is added to a white solid, producing a gas that turns lime water milky. What could the white solid be?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceIf pH is less than 7 but not very close to zero, what is the most balanced conclusion about the solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhy is sodium carbonate used to soften hard water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceAn acid reacts with a metal to produce a gas that gives a pop sound near a burning splint. Which gas is it?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Easy ScienceWhich option contains a group of basic substances?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Easy ScienceWhich option contains a group of acidic substances?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Easy ScienceA colourless solution conducts electricity, but the dry substance does not affect litmus. What condition is necessary for acidic behaviour?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Hard ScienceWhich substance is used to disinfect drinking water and can release chlorine?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceThe formation of only salt and water in an acid-base reaction best represents which idea?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhy can the purity of sodium hydroxide decrease when it is left exposed to air?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceWhat happens to hydrogen-ion concentration when water is added to an acidic solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Medium ScienceIf an unknown salt solution has pH 9, what is its most probable formation condition?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 6Hard