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Z National 5 Chemistry > TOPIC - 5 Acid Spill!1!1! > Flashcards

TOPIC - 5 Acid Spill!1!1! Flashcards

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1
Q

metal compounds that can neutralise an acid

A

hydroxides, oxides and carbonates.

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2
Q

acids contain

A

H+ (aq)

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3
Q

acids are

A

corrosive and can breakdown lots of materials.

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4
Q

what is formed when an acid is neutralised

A

a salt.

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5
Q

a titration is used to find

A

the unknown concentration of an acid or an alkali

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6
Q

electrolysis of an acid always produces

A

hydrogen gas at the negative electrode

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7
Q

neutralisation is a reaction that

A

decreases the hydrogen ion concentration

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8
Q

what is used to determine whether something is an acid, alkali or neutral

A

universal indicator

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9
Q

some common acids are made by dissolving

A

non-metal oxides in water

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10
Q

when ____ of ____, _____ and _____ dissolve in water in the atmosphere they form ________.

A

when OXIDES of CARBON, SULFUR and NITROGEN dissolve in water in the atmosphere they form ACID RAIN.

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11
Q

soluble non-metal oxides form

A

acids

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12
Q

soluble metal oxides form

A

alkalis

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13
Q

common: hydrochloric acid

A

HCl

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14
Q

common: sulphuric acid

A

H₂SO₄

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15
Q

common: nitric acid

A

HNO₃

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16
Q

common: sodium hydroxide

A

NaOH

17
Q

common: ammonium hydroxide

A

NH₄OH

18
Q

common: calcium hydroxide

A

Ca(OH)₂

19
Q

insoluble oxides are

A

neutral

20
Q

all acidic solutions are

A

ionic

21
Q

all acids contain

A

hydrogen

22
Q

ph is dependent on the

A

concentration of hydrogen ions in a solution

23
Q

when water dissociates it forms an

A

equal amount of hydrogen ions and hydroxide ions so the pH is 7

24
Q

acids are solutions containing what concentration of hydrogen and hydroxide ions?

A

more hydrogen ions than hydroxide ions

25
Q

alkalis are solutions containing what concentration of hydrogen and hydroxide ions?

A

more hydroxide ions than hydrogen ions

26
Q

water is a solution containing what concentration of hydrogen and hydroxide ions?

A

equal concentration of hydrogen ions and hydroxide ions

27
Q

all acids can be corrosive if

A

they are concentrated enough

28
Q

when an acid is neutralised by a base what is always formed

A

a salt and water

29
Q

when an acid is neutralised by a metal carbonate base what is always formed

A

a salt and water and carbon dioxide

30
Q

spectator ions

A

are ions that are present at both the start and end of a reaction and dont change state

31
Q

titration equation

A

PVC (acid) = PVC (alkali)

32
Q

titrations can be used to find

A

the unknown concentration of an acid

Z National 5 Chemistry (13 decks)

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