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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

Carbon dioxide is identified using which liquid?A student dipped blue litmus paper into a colourless solution, and it turned red. Which conclusion about the solution is correct?What are the general products of a neutralisation reaction?Which substance gives relief during excess acidity in the stomach?Milk of magnesia reduces the effect of what in the stomach?For tooth decay, mouth pH below which value is considered harmful?Why is toothpaste made mildly basic?Which substance can help give relief from acid in an ant sting?Which of the following solutions turns red litmus paper blue?Which of the following salts can turn red litmus blue in its aqueous solution?Washing soda is mainly used for what purpose?Which of the following aqueous solutions turns blue litmus red?Which salt is commonly used as an antacid to relieve indigestion caused by excess stomach acid?Which chemical formula represents washing soda, used for washing clothes and softening hard water?Plaster of Paris is made from what?Which of the following substances should a student recommend adding to acidic soil to reduce its acidity?What is the water present in gypsum called?Which of the following substances forms an aqueous solution that turns blue litmus paper red?What happens when water is added to white anhydrous copper sulphate?Which of the following salts shows a basic nature in its aqueous solution?