2 c) Gases in the Atmosphere

Question 1

Decomposition reaction

Answer 1

A reaction in which a compound is broken down into its elements or simpler compounds.

Question 2

Global warming

Answer 2

Greenhouse gases trap the heat radiated from the Earth’s surface and lead to an increase in the temperature of the Earth and its atmosphere.

Question 3

Greenhouse gas

Answer 3

Gases such as carbon dioxide which can trap heat radiated from the Earth’s surface (originally from the Sun).

Question 4

Thermal decomposition

Answer 4

Decomposition reaction that requires heating to occur.