Lakhmir Singh and Manjit Kaur Solutions for Chapter: Acids, Bases And Salts, Exercise 9: Multiple Choice Questions (MCQs)

A solution turns phenolphthalein indicator pink. The most likely $\mathrm{p}\mathrm{H}$ of this solution will be

The colour of methyl orange indicator in a solution is yellow. The $\mathrm{p}\mathrm{H}$ of this solution is likely to be:

Bee stings can be treated with

Wasp stings can be treated with

It has been found that rubbing vinegar on the stung area of the skin of a person gives him relief. The person has been stung by

Fresh milk has a $\mathrm{p}\mathrm{H}$ of 6. When milk changes into curd, the $\mathrm{p}\mathrm{H}$ value will be

The acid produced naturally in our stomach is

The daffodil plants grow best in a soil having a $\mathrm{p}\mathrm{H}$ range of $6.0$ to $6.5$. If the soil in a garden has a $\mathrm{p}\mathrm{H}$ of $4.5$, which substance needs to be added to the soil in order to grow daffodils?