Embibe Experts Solutions for Exercise 1: ICSE-2018

Three solutions $\mathrm{P}, \mathrm{Q}$ and $\mathrm{R}$ have $\mathrm{pH}$ value of $3.5, 5.2$ and $12.2$ respectively. Which one of these is a weak acid?

Three solutions $\mathrm{P}, \mathrm{Q}$ and $\mathrm{R}$ have $\mathrm{pH}$ value of $3.5, 5.2$ and $12.2$ respectively. Which one of these is a strong alkali?

Write a balanced equation for the preparation of the following salt: Copper sulphate from Copper carbonate.

State one relevant observation for of the following:

Barium chloride solution is slowly added to sodium sulphate solution.

Name the gas that is produced in the following case:

Action of dilute hydrochloric acid on sodium sulphide.

Complete the following table which refers to the conversion of ions to neutral particles.

Give a chemical test to distinguish between the following pair of chemicals: Sodium chloride solution and Sodium nitrate solution.

Write a balanced equation for the preparation of the following salt: Zinc carbonate from Zinc sulphate.