Chemistry

Chemistry of Gases and Applications

1,175 Questions

The chemistry of gases covers atmospheric composition, noble gases, and various applications of gas compounds in industrial and biological processes. Understanding the properties of common gases, their reactions, and environmental occurrences is vital for general science sections. Use these questions to practice identifying gases and their specific uses.

Atmospheric gasesNoble gasesGas applicationsChemical compounds

Chemistry of Gases and Applications Questions

Multiple choice

The smell of H2S gas is

  1. like rotten eggs

  2. pleasant

  3. burning carbon

  4. none of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Hydrogen sulphide (H2S) is well known for its distinct and unpleasant odour, which is commonly described as smelling like rotten eggs.

Multiple choice

Gobar gas contains mainly

  1. carbon dioxide

  2. butane

  3. methane

  4. none of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Gobar gas, or biogas, is produced by the anaerobic digestion of organic matter and consists primarily of methane (50-75%) and carbon dioxide.

Multiple choice

Which of the following are the major constituents of CNG?

  1. Methane and ethane

  2. Hydrogen, methane and carbon monoxide

  3. Hydrogen and carbon monoxide

  4. Butane and propane
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Compressed Natural Gas (CNG) is primarily composed of methane, with smaller amounts of ethane and other hydrocarbons.