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Chemistry mistakes > CU5 2016 > Flashcards

CU5 2016 Flashcards

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1
Q

Ionic equation sodium and water

A

2Na + 2H2O -> 2Na+ + 2OH- + H2

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2
Q

Write two equations to show the amphoteric nature of the oxide of Z

A

Al2O + 6H+ -> 2Al3+ + 3H2O
Al2O3 + 2OH- + 3H2O -> 2[Al(OH)4]-

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3
Q

Suggest why the use of a hydrogen-oxygen fuel cell might not be carbon-neutral

A

Combustion to generate hydrogen to release CO2

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Chemistry mistakes (37 decks)

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