Ravi Shankar Sharma, Subha Raghavan and, Nidhi Sharma Solutions for Chapter: Acids, Bases and Salts, Exercise 3: PAPER - PEN TEST : 3

Name the gas formed when hydrochloric acid reacts with an active metal. Give a test to identify the gas.

Why baking soda is an immediate remedy for acidity?

What do all acids have in common?

Though the compounds such as glucose (${\mathrm{C}}_6{\mathrm{H}}_{12}{\mathrm{O}}_6$) and alcohol (${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{O}\mathrm{H}$) contain hydrogen, they do not show acidic character. Why?

Distilled water does not conduct electricity, but rain water conducts electricity. Why?

Why hydrochloric acid shows the acidic properties in aqueous solutions? Explain with an activity.

Complete the following equations:

Metallic oxide $+$ _____ $\to$salt $+$ water

_____  $+\mathrm{A}\mathrm{c}\mathrm{i}\mathrm{d}\to \mathrm{s}\mathrm{a}\mathrm{l}\mathrm{t}+\mathrm{w}\mathrm{a}\mathrm{t}\mathrm{e}\mathrm{r}$. (Metal oxide/ non-metal oxide)