Quiz on Hydrogen

Who was the first person to identify hydrogen as a discrete element?

• Paracelsus

• Robert Boyle

• Henry Cavendish

• Antoine Lavoisier

What does the word 'hydrogen' mean?

• Light element

• Gas producer

• Fire starter

• Water creator

Which process is used to prepare hydrogen from water?

• Filtration

• Combustion

• Evaporation

• Electrolysis

What is the main component of water?

• Carbon

• Nitrogen

• Oxygen

• Hydrogen

What is the boiling point of hydrogen?

• 0 ºC

• -252.9 ºC

• 100 ºC

• -100 ºC

Which gas is produced when potassium reacts with water?

• Hydrogen

• Oxygen

• Carbon Dioxide

• Nitrogen

What is the reaction of hydrogen with oxygen?

• Produces carbon dioxide

• Produces water

• Produces hydrogen peroxide

• Produces ammonia

What is the main use of hydrogen in weather balloons?

• To measure humidity

• To record temperature

• To create pressure

• To provide lift

What is the flammability of hydrogen?

• Slightly flammable

• Moderately flammable

• Non-flammable

• Extremely flammable

What is the process of passing steam over red hot coke used for?

• Generating heat

• Making water

• Creating electricity

• Producing hydrogen