Carbon dioxide
Carbon dioxide: Overview
This topic covers concepts such as physical properties of carbon dioxide, chemical properties of carbon dioxide, occurrence of carbon dioxide, reaction of aqueous sodium hydroxide with carbon dioxide, and uses of carbon dioxide.
Important Questions on Carbon dioxide
Explain the preparation of sodium bicarbonate from sodium carbonate with the help of a balanced chemical equation.
Select whether the following statement is true or false:
The major gas that is produced as a by-product in exhaled air is oxygen.
Select whether the following statement is true or false:
The major gas that is produced as a by-product in exhaled air is carbon dioxide.
Select whether the following statement is true or false:
A soda-acid fire extinguisher consists of concentrated sulphuric acid and potassium hydroxide.
Which of the following chemical reactions takes place in a soda-acid fire extinguisher?
Select the correct working principle of soda-acid fire extinguisher.
Write the balanced chemical equation of the reaction taking place inside a soda-acid fire extinguisher.
Describe the working of a soda-acid fire extinguisher.
The oxide used to prepare soft drinks is .
Define dry ice. Write its uses.
Oxygen is used as dry ice in refrigerators.
