New ET (Hydrogen)

What is the atomic number of hydrogen?

• 1

• 2

• 3

• 4

What is the standard state of hydrogen at room temperature?

• Solid

• Liquid

• Gas

• Slush

Which industry primarily uses hydrogen?

• Electronics

• Refinery

• Transportation
  

• Textile
  

Hydrogen is used to make which of the following common products?

• Glass

• Ammonia

• Paper

• Concrete

Which is a major use of hydrogen in the food industry?

• Preservative

• Artificial sweetener

• Hydrogenation of fats

• Coloring agent

In which process is hydrogen used as a coolant?

• Powerplant

• Food refrigeration

• Automobile

• Automobiles

What happens when hydrogen burns in the air?

• Produces oxygen

• It releases carbon dioxide

• It produces methane

• It forms water

In the presence of a catalyst, hydrogen and nitrogen gas react to form:

• Nitric acid

• Nitrogen dioxide

• Ammonia

• Hydrazine

What is a potential environmental benefit of using hydrogen as a fuel?

• Produces greenhouse gases

• Reduces carbon emissions

• Increases air pollution

• Increases air pollution

Hydrogen fuel cells produce electricity with what by product?

• Carbon dioxide

• Water

• Sulfur dioxide

• Nitrogen oxides