Combustion of alcohols (Edexcel GCSE Chemistry): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
Why can alcohols be used as fuels?
Why can alcohols be used as fuels?
They release energy when burned
Which crop can be fermented to produce ethanol for use as fuel?
Which crop can be fermented to produce ethanol for use as fuel?
Sugar cane
How do we test which alcohol is the most efficient fuel?
How do we test which alcohol is the most efficient fuel?
See how much it heats water
Why must goggles be worn when testing alcohols as fuels?
Why must goggles be worn when testing alcohols as fuels?
Alcohols are hazardous to eyes/skin
How should the spirit burner be handled during the experiment?
How should the spirit burner be handled during the experiment?
Use tongs
Which variable must be kept the same to make the test fair?
Which variable must be kept the same to make the test fair?
Mass or volume of water
What container is used to hold the water in this experiment?
What container is used to hold the water in this experiment?
Copper calorimeter
What is the purpose of the draught excluder in this experiment?
What is the purpose of the draught excluder in this experiment?
Prevent heat loss
What volume of distilled water is used in the experiment?
What volume of distilled water is used in the experiment?
100 cm³
By how much should the water temperature rise before blowing out the burner?
By how much should the water temperature rise before blowing out the burner?
20°C
What does it mean if less fuel is needed to raise the water temperature by 20°C?
What does it mean if less fuel is needed to raise the water temperature by 20°C?
The fuel is better
Why do alcohols with longer carbon chains release more energy when burned?
Why do alcohols with longer carbon chains release more energy when burned?
They have more bonds to break