Quiz

Quiz: Carbon dioxide in seawater

iGCSE Marine Science [Cambridge International]

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Steps in this lesson (11)

1
Text

Building on what you've learned about seawater composition and dissolved gases, let's test your understanding of carbon dioxide in the ocean!

2
Multiple ChoiceInteractive

What happens to carbon dioxide when it dissolves in seawater?

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3
Multi-SelectInteractive

Which of these are effects of dissolved carbon dioxide in seawater? (Select all that apply)

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4
Fill in the BlankInteractive

Carbon dioxide dissolves in seawater and forms {{blank0}} acid, which then breaks down into {{blank1}} and hydrogen ions.

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5
MatchingInteractive

Match the items on the left with their correct pairs on the right

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6
Math EquationInteractive

If seawater has a pH of 8.2 and absorbs CO₂, causing its pH to decrease by 0.3, what is the new pH?

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7
Multiple ChoiceInteractive

Why does carbon dioxide dissolve more easily in colder seawater?

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8
typedAnswer

Match the items on the left with their correct pairs on the right

9
Multiple ChoiceInteractive

What percentage of atmospheric carbon dioxide is absorbed by the oceans?

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10
Multi-SelectInteractive

What are the consequences of ocean acidification for marine organisms? (Select all that apply)

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11
Fill in the BlankInteractive

Carbon dioxide in seawater contributes to the formation of {{blank0}}, which can affect the ability of organisms to build {{blank1}}.

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