2. Most of the fuels used today are obtained from crude oil - Edexcel - GCSE Chemistry - Question 2 - 2019 - Paper 1
Question 2
2. Most of the fuels used today are obtained from crude oil.
(a) Which statement about crude oil is correct?
A crude oil is a compound of different hydrocarbons
B ... show full transcript
Worked Solution & Example Answer:2. Most of the fuels used today are obtained from crude oil - Edexcel - GCSE Chemistry - Question 2 - 2019 - Paper 1
Step 1
Which statement about crude oil is correct?
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The correct statement is B: crude oil is a mixture of hydrocarbons. This indicates that crude oil is composed of a variety of hydrocarbons, rather than being a single compound.
Step 2
State a use for kerosene.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Kerosene is commonly used as a fuel for jet engines in aviation, as well as for heating and lighting purposes.
Step 3
State a use for diesel oil.
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Diesel oil is primarily used as fuel in diesel engines, which are found in many vehicles, such as trucks and buses, as well as in industrial machines.
Step 4
Choose a property.
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
A property to compare is the boiling point.
Step 5
State how this property for kerosene compares with the property for diesel oil.
97%
117 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Kerosene has a lower boiling point than diesel oil. This difference means that kerosene vaporizes more easily and can be used in applications that require quick ignition, while diesel oil remains more viscous at lower temperatures.
