Back to the full dot-point answer
SingaporeChemistryQuick questions
Organic Chemistry
Quick questions on Alcohols and their uses: N(A)-Level Chemistry
5short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is making ethanol by fermentation?Show answer
Fermentation makes ethanol from sugar using yeast. Yeast is a living micro-organism that contains enzymes which break down the sugar:
What is ethanol as a fuel?Show answer
Ethanol burns easily in air, and burning it is exothermic (gives out a lot of heat). Complete combustion gives carbon dioxide and water:
What is q1?Show answer
Name the two substances needed to make ethanol by fermentation. [2 marks]
What is q2?Show answer
State the two products formed when sugar is fermented. [2 marks]
What is q3?Show answer
State one use of ethanol as a fuel and one use as a solvent. [2 marks]
Have a question we have not covered?
This dot-point answer is short enough that we have not extracted many short questions yet. Read the full dot-point answer or ask Mo, our study assistant, in the chat for follow ups.