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Acids Bases Salts

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

ScienceWhich salt is used to remove the permanent hardness of hard water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 1Easy ScienceA student places blue litmus paper in an acidic solution. What colour will the litmus paper become?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 1Easy ScienceA student placed dry hydrogen chloride gas and dry blue litmus paper in a closed jar. The litmus showed no colour change. What is the correct reason for this observation?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 1Easy ScienceTooth decay may begin when the pH in the mouth falls below 5.5. Which type of toothpaste is most suitable for cleaning teeth in this situation?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 1Easy ScienceWhat is the usual pH of acid rain?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 1Easy ScienceThe dilution of an acid by adding it to water is generally what type of process?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 1Easy ScienceWhat is the correct and safe method for mixing an acid with water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 1Easy ScienceWhich of the following substances forms a neutral solution when dissolved in water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 1Easy ScienceWhy does an aqueous solution of an acid conduct electricity?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 1Easy ScienceWhich ion do bases generally produce in water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 1Easy ScienceWhich of the following substances turns red litmus paper blue when dissolved in water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 1Easy ScienceWhich of the following salts generally forms a neutral aqueous solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 1Easy ScienceWhich of the following substances forms a basic solution when dissolved in water?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 1Easy ScienceAcids produced by bacteria in the mouth after eating can damage tooth enamel. Which habit is most suitable for reducing this damage?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 1Easy ScienceWhat colour does methyl orange become in an acidic solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 1Easy ScienceWhat colour does turmeric indicator turn in a basic solution?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 1Easy ScienceWhat is the nature of tomato juice?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 1Easy ScienceHow do aqueous solutions of bases generally feel when touched?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 1Easy ScienceWhich taste in curd and sour foods indicates the presence of an acid?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 1Easy ScienceA student dips red litmus paper into a soap solution. What will be the colour of the litmus paper?Class 10Chemical Substances – Nature and BehaviourAcids, Bases, and SaltsLevel 1Easy