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science > reactions of acids w bases and metals > Flashcards

reactions of acids w bases and metals Flashcards

(14 cards)

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1
Q

if you mix and acid and base what reaction takes place

A

chemical reaction

- call it neutralisation reaction

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2
Q

if you add a base to an acid, the acid becomes…and the pH value….

A

less acidic, increases

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3
Q

if you add an acid to a base, the base becomes…the pH value…

A

less basic, decreases

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4
Q

synbol for hydrochloric acid

A

HCl

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5
Q

the symbol for sulfuric acid

A

H2SO4

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6
Q

the symbol for nitric acid

A

HNO3

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7
Q

what are ethanoic acid and carbonic acid examples of?

A

weak acids

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8
Q

what are metal oxides

A

always basic

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9
Q

what are non metal oxides

A

always acidic

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10
Q

metal oxide + acid ->

A

salt + water

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11
Q

when metals react with water what tende to form?

A

metal hyrdoxides

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12
Q

metal carbonate + acid ->

A

salt + water + carbon dioxide

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13
Q

a carbonate ion consists of;

A

a carbon atom and three oxygen atoms

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14
Q

when acids react with metals the products are a…

A

salt and hydrogen gas

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