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Chemistry IGCSE > Fuels > Flashcards

Fuels Flashcards

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1
Q

main constituent of natural gas

A

methane

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2
Q

complete combustion

A

alkane + O2 -> water + CO2

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3
Q

Incomplete combustion producing CO

A

Alkane + O2 -> water + CO

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4
Q

Incomplete combustion producing soot

A

Alkane + O2 -> water + C

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5
Q

danger of CO

A

very poisonous. reduces blood capacity to carry oxygen

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6
Q

other harmful substances caused by burning fossil fuels

A

SO2: sulfur impurities in coal and oil. burns making sulfur dioxide. SO2 reacts with water making sulfurous acid in acid rain damaging limestone buildings
NOx: nitrogen oxides form in internal combustion engines because temperatures are very high. also contributes to acid rain as nitric acid

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Chemistry IGCSE (14 decks)

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