Subject Experts Solutions for Chapter: Acids, Bases and Salts, Exercise 3: Exercise 5.3

Give one word for the following:
The substances that have no effect on indicators.
 

Give one word for the following:

 Substances used to test the nature of a substance.

Give one word for the following:
An example of a natural indicator. (Litmus/ Methyl orange)

When dilute sulphuric acid is added to lime water, will the reaction mixture be hot or cool?

How will you test whether a given solution is acidic, basic or neutral with a turmeric indicator?

While playing in a park, a child was stung by a “wasp”. Some suggested for applying a paste of baking soda and others suggested lemon juice as a remedy. Which remedy do you think is appropriate?

Why does a pink colour appear upon gradually adding sodium hydroxide to a solution of acid having $2-3$ drops of phenolphthalein?

With the help of an activity, determine the nature of the given solution (basic, acidic or neutral) using litmus paper.