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Subjects

Science

Acids, Bases, and Salts

अम्ल, क्षारक और लवण

In Class 10 Science, under the chapter Chemical Substances – Nature and Behaviour, students study acids, bases, and salts through their properties, reactions, and everyday examples. The topic explains how these substances behave with indicators and with one another, including neutralisation, and introduces the formation and practical importance of common salts.

Practice questions

Which salt is formed when sodium hydroxide reacts with nitric acid?Which salt is formed in the reaction between potassium hydroxide and hydrochloric acid?What is formed when magnesium oxide reacts with hydrochloric acid?Sulphur dioxide can dissolve in water to form an acidic solution. What type of oxide does this prove sulphur dioxide to be?Which experiment proves that water is needed to show acidic properties?In a solution, methyl orange becomes yellow and phenolphthalein becomes pink. What is the nature of the solution?In a solution, methyl orange turns red and blue litmus turns red. What is the nature of the solution?In which substance is the presence of water of crystallisation easily shown by colour change?Why can washing soda be called a hydrated salt?Why can overheating gypsum reduce its usefulness for preparing plaster of Paris?Due to which property is plaster of Paris used for making statues and moulds?Why can the sodium carbonate formed on heating baking soda cause a bitter taste?Why does the presence of acid and baking soda together in baking powder make cake fluffy?Soap produces less lather in hard water. Why does adding washing soda improve lather formation?Why is an aqueous solution of sodium chloride used in the chlor-alkali process?The gas produced near the anode in the chlor-alkali process can be used for which purpose?The gas formed near the cathode in the chlor-alkali process can be used in which process?The alkali left in solution during the chlor-alkali process is useful in which industry?Which is the correct method of preparing bleaching powder?Why is it proper to store bleaching powder in a dry and closed container?