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6.2 Organic chemistry

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Question 21
F

A city council compares a diesel bus with a bus powered by a hydrogen/oxygen fuel cell.

What is an advantage of the fuel cell bus for air quality in the city centre?

[1]
A

Hydrogen gas is easy and safe to store on the bus.

B

Hydrogen for the bus is always made without using fossil fuels.

C

The fuel cell never needs to be refuelled or replaced.

D

Only water is released from the bus while it is being driven.

Markscheme

6.2 Organic chemistry Questions

  1. GCSE
  2. /Chemistry
  3. /6.2 Organic chemistry

63 exam-style questions on OCR GCSE Chemistry 6.2 Organic chemistry, covering 6.2.1 Crude oil and fractional distillation, 6.2.2 Cracking and dependence on hydrocarbons, 6.2.3 Functional groups and homologous series, 6.2.4 Reactions of alkanes, alkenes and alcohols, 6.2.5 Addition polymerisation and repeat units, 6.2.6 Naturally occurring polymers, 6.2.7 Chemical cells and fuel cells, and 6.2.8 Condensation polymerisation and how to make one. Each one has a worked solution and a mark scheme showing where the marks go.

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