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

It rained on Titan. But instead of water it was

  1. Nitrogen

  2. Neon

  3. Iron particles

  4. Methane
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Titan, the largest moon of Saturn, has a thick atmosphere rich in nitrogen and methane. Due to the extremely cold temperatures, methane exists in liquid form and falls as rain, creating lakes and rivers on the surface.

Multiple choice

Which one of the following is monoatomic?

  1. Oxygen

  2. Hydrogen chloride gas

  3. Argon

  4. Ammonia
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Argon is a chemical element with symbol Ar and atomic number 18. It is in group 18 of the periodic table and is a noble gas.

Multiple choice

The main nitrogenous waste of hydra is

  1. ammonia

  2. uric acid

  3. urea

  4. both ammonia and uric acid

  5. -
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Simple multicellular organisms, like hydra, throw out solid waste matter in the form of ammonia. They require a large amount of water as ammonia is toxic.