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chemistry > groups gases and reactivity > Flashcards

groups gases and reactivity Flashcards

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1
Q

general equation for acid reacting with metal

A

metal + acid -> salt + hydrogen

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2
Q

neutralisation

A

acid + alkali

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3
Q

metal reacting with oxygen

A

metal + oxygen -> metal oxide

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4
Q

the reactivity scale (high -> low)

A

potassium
sodium
lithium
calcium
magnesium
aluminium
zinc
iron
copper
silver
gold

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5
Q

nitrogen in the air

A

78.1%

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6
Q

oxygen in the air

A

21%

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7
Q

argon in the air

A

0.9%

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8
Q

carbon dioxide in the air

A

0.04%

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9
Q

rusting reaction

A

iron + oxygen + water -> hydrated iron(III) oxide

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10
Q
A
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chemistry (5 decks)

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