NCERT Section
Subject Experts Chemistry Solutions for Exercise - NCERT Section
Simple step-by-step solutions to NCERT Section questions of Acids, Bases And Salts from Foundation Course Chemistry. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from NCERT Section with Hints & Solutions
Tooth decay is caused by the presence of a base.
Dorji has a few bottles of soft drinks in his restaurant. But, unfortunately, these are not labelled. He has to serve the drinks on the demand of customers. One customer wants an acidic drink, another wants a basic and the third one wants a neutral drink. How will Dorji decide which drink is to be served to whom?
Explain why an antacid tablet is taken when you suffer from acidity.
Explain why calamine solution is applied on the skin when an ant bites.
Explain why factory waste is neutralised before disposing it into the water bodies.
Three liquids are given to you. One is hydrochloric acid, another is sodium hydroxide and the third is a sugar solution. How will you identify them? You have only turmeric indicator.
Blue litmus paper is dipped in a solution. It remains blue. What is the nature of the solution? Explain.
Consider the following statements:
(a) Both acids and bases change colour of all indicators.
(b) If an indicator gives a colour change with an acid, it does not give a change with base.
(c) If an indicator changes colour with a base, it does not change colour with an acid.
(d) Change of colour in an acid and a base depends on the type of indicator.
Which of these statements are correct?
