High Five Facts - Gases

The video discusses five key facts about gases: their ability to take any shape due to unlinked molecules, the properties of tungsten hexafluoride as a heavy and corrosive gas, the distinction between natural and artificial gases, the high speed at which gas molecules move, and the essential role gases play in life and various industries. It highlights the importance of gases like oxygen and carbon dioxide in biological processes and everyday applications.

Why can gases take any shape?

• Because they are always visible

• Because they are solid

• Because their molecules are not linked together

• Because their molecules are linked together

What is a characteristic of tungsten hexafluoride?

• It is visible and non-toxic

• It is lighter than air

• It is a heavy and corrosive gas

• It is a light and non-corrosive gas

Which of the following is a natural gas?

• Tungsten hexafluoride

• Carbon dioxide

• Methane

• Oxygen

What is a common characteristic of artificial gases?

• They are always visible

• They are often harmful to the environment

• They are made by nature

• They are lighter than air

What is Antonox used for?

• Cooking

• Heating

• Photosynthesis

• Relieving pain in medical settings