Podcast
Questions and Answers
What is the principal source of hydrogen on Earth?
What is the principal source of hydrogen on Earth?
- Natural gas
- Acids
- Water (correct)
- Petroleum
Why are organic compounds called 'organic'?
Why are organic compounds called 'organic'?
- Because they are obtained from living organisms (correct)
- Because they are easily decomposable
- Because they are found in vegetable matter
- Because they contain carbon and hydrogen
What is the ratio of hydrogen to oxygen when water decomposes by electrolysis?
What is the ratio of hydrogen to oxygen when water decomposes by electrolysis?
- 4:1
- 1:1
- 3:1
- 2:1 (correct)
Which electrode collects hydrogen during the electrolysis of water?
Which electrode collects hydrogen during the electrolysis of water?
What is the role of acids and alkalis in liberating hydrogen gas?
What is the role of acids and alkalis in liberating hydrogen gas?
Why is water acidulated before electrolysis in the preparation of hydrogen?
Why is water acidulated before electrolysis in the preparation of hydrogen?
What is the main component of organic compounds that form the body of animals and vegetable matter?
What is the main component of organic compounds that form the body of animals and vegetable matter?
If there was no hydrogen in the universe, what would be missing?
If there was no hydrogen in the universe, what would be missing?
What are acids, alkalis, petroleum, and natural gas examples of?
What are acids, alkalis, petroleum, and natural gas examples of?
Which process liberates hydrogen and oxygen by passing an electric current through acidulated water?
Which process liberates hydrogen and oxygen by passing an electric current through acidulated water?
Why are organic compounds called 'organic'?
Why are organic compounds called 'organic'?
In the electrolysis of water, what is collected at the anode?
In the electrolysis of water, what is collected at the anode?
