Carbon dioxide

IMPORTANT

Carbon dioxide: Overview

This topic highlights carbon dioxide as an important carbon compound. Physical and chemical properties of carbon dioxide are explained here in detail. Uses of carbon dioxide are also highlighted here with examples.

Important Questions on Carbon dioxide

HARD
IMPORTANT

Can we make oxygen from carbon dioxide?

EASY
IMPORTANT

The important gas is formed during the reaction between potassium superoxide and carbon dioxide is nitrogen.

MEDIUM
IMPORTANT

Write the reaction between potassium superoxide and carbon dioxide.

MEDIUM
IMPORTANT

Identify the most useful product that formed during the reaction between potassium superoxide and carbon dioxide.

MEDIUM
IMPORTANT

Complete the following reaction :

KO2+CO2

MEDIUM
IMPORTANT

Complete the following reaction :

Na2O + CO2 

MEDIUM
IMPORTANT

When carbon dioxide reacts with sodium oxide, it leads to the formation of sodium hydroxide.

EASY
IMPORTANT

Write the reaction between sodium oxide and carbon dioxide.

EASY
IMPORTANT

Complete the following equation.

Mgs+CO2g

EASY
IMPORTANT

Carbon dioxide can act as an oxidising agent. What is an oxidising agent?

EASY
IMPORTANT

Carbon dioxide can act as oxidising agent. Explain using one reaction.

MEDIUM
IMPORTANT

Carbon dioxide as a reducing agent.

EASY
IMPORTANT

Carbon dioxide is a combustible substance.

EASY
IMPORTANT

Identify the substance from the following which is non-combustible.

EASY
IMPORTANT

Write the industrial use of CO2.

MEDIUM
IMPORTANT

Why is carbon dioxide gas used in extinguishing fires? 

MEDIUM
IMPORTANT

Write an equation to show the reaction of carbon dioxide with NaOH.

MEDIUM
IMPORTANT

Write an equation to show the reaction of carbon dioxide with K2O.

MEDIUM
IMPORTANT

Write an equation to show the reaction of carbon dioxide with Mg.

MEDIUM
IMPORTANT

Write an equation to show the reaction of carbon dioxide with CaOH2.