Embibe Experts Solutions for Chapter: Acids, Bases and Salts, Exercise 1: Exercise

A gas is produced when conc.${\mathrm{H}}_2{\mathrm{SO}}_4$ is added to a solid sodium chloride tank in a test tube. The gas coming out through the delivery tube is passed over a dry blue litmus paper and then over a moist blue litmus paper. What do you observe? Explain reason with the help of a chemical equation.

What is tooth enamel chemically? State the condition under which it starts corroding? What happens when food particles are left in the mouth after eating?

Equal lengths of magnesium ribbon are taken into two test tubes A and B. ${\mathrm{H}}_2{\mathrm{SO}}_4$ is added to test tube A and ${\mathrm{H}}_2{\mathrm{CO}}_3$ in test tube B in equal amounts. Out of the two acids taken above which one will have a lower pH value and lower ${\mathrm{H}}^{+}$ ion concentration respectively.

Name two olfactory indicators.

Why does bee sting cause pain and irritation?

Name the raw materials used in the manufacture of baking soda? Write two important uses of baking soda.

How is chloride of lime chemically different from calcium chloride? Why does chloride of lime gradually lose its chlorine when exposed to the air?

What is the Chlor-alkali process? Write the chemical reaction taking place in the form of a chemical equation. Name the gases given off at the anode and the cathode respectively. Write one use for each of any two products produced in this process.