Hydrogen can be used as a fuel.
Which properties of hydrogen would be advantages and which would be disadvantages?
1 Hydrogen is expensive to produce.
2 Hydrogen reacts exothermically with oxygen.
3 When hydrogen burns, a greenhouse gas is not formed.
1 )
advantages: 1 / disadvantages: 2 and 3
2 )
advantages: 1 and 2 / disadvantages: 3
3 )
advantages: 1 and 3 / disadvantages: 2
advantages: 2 and 3 / disadvantages: 1
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