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Unit 2 Chemistry > Alalis Abd Bases > Flashcards

Alalis Abd Bases Flashcards

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1
Q

What ions do acids form in water

A

H+ ions

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2
Q

What is a base

A

A substance with a ph greater than 7

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3
Q

What is an alkali

A

A base that can be dissolved in water

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4
Q

What ions to alkalines form

A

OH-

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5
Q

Acid+…—>salt+…

A

Base

Water

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6
Q

H+ + OH- –>

A

H2O

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7
Q

The products of neutralisation are

A

Neutral

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8
Q

Acid +…… –> salt + hydrogen

A

Metal

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9
Q

Metals less reactive then hydrogen don’t react with

A

Acids

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10
Q

What test is used to test for hydrogen

A

Burning splint test with a squeaky pop

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11
Q

Hydrochloric acids produce what salt

A

Chloride salts

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12
Q

Nitric acids produce nitrate salts when

A

Neutralised

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13
Q

Acid + metal oxide —-> salt + …..

A

Water

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14
Q

Acid + metal hydroxide —-> …. + water

A

Salt

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15
Q

Ammonia is neutralised with nitric acid to make

A

Ammonium nitrate

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16
Q

What is ammonium nitrate used as

A

A fertiliser

17
Q

Soluble salts are made by using…

A

A metal or insoluable base

18
Q

Describe the method for making soluble salts

A

Add the metal (oxide/hydroxide) to the acid the solid will dissolve. When the acid has been neutralised all the excess solid will sink to the bottom. Evaporate the water add the crystals will be left

19
Q

What does electrolysis mean

A

Splitting up with electricity

20
Q

The substance has to be ….. And in….. Or ….. For it to be broken up by electricity

A

Ionic
Solution
Molten

21
Q

What is the liquid called in electrolysis

A

The electrolyte

22
Q

Electrolytes contain free …

A

Electrons

23
Q

Electrons are taken from ions at the

A

Positive electrode

24
Q

Electrons are given to ions at the

A

Negative electrode

25
Q

What does oil rig mean

A

Oxidation is loss reduction is gain

Unit 2 Chemistry (7 decks)

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