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Chemistry > Acids Alkalis Bases And Salts > Flashcards

Acids Alkalis Bases And Salts Flashcards

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1
Q

What’s the formula for hydrochloric acid

A

HCL

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2
Q

What is the formula for Sulphuric acid

A

H2SO4

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3
Q

What’s the formula for Nitric acid

A

HNO3

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4
Q

What’s a base

A

A substance that will neutralise an acid but does. It dissolve in water

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5
Q

Acid+metal>

A

Salt +hydrogen

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6
Q

Acid+base>

A

Salt+water

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7
Q

What’s the name of word used to describe a reaction with gas

A

Effervescence

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8
Q

Hydrochloric acid+ zinc>

A

Zinc chloride+hydrogen

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9
Q

Hydrochloric acid+magnesium >

A

Magnesium chloride + hydrogen

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10
Q

Sulphuric acid + zinc>

A

Zinc sulphate +hydrogen

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11
Q

What’s an acid

A

A substance that has a ph of under 7 and produces hydrogen ions in solution

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12
Q

What’s an alkali

A

A substance with a ph above 7 that produces OH- ions in solution

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13
Q

What’s a salt

A

Formed when hydrogen ions of an acid are replaced by metal ions or ammonium ions

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14
Q

Why are there only a few common alkalis

A

Because most hydroxides are insoluble

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15
Q

Acid+ carbonate>

A

Salt+water+carbon dioxide

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16
Q

Acid+alkali>

A

Salt+water

17
Q

Hydrochloric acid+ sodium carbonate>

A

Sodium chloride+ carbon dioxide + water

18
Q

Sulphuric acid + sodium hydroxide>

A

Sodium sulphate + water

19
Q

When creating a sulphate why do we put on excess salt?

A

To ensure that all the acid has been neutralised

20
Q

How do you know when the reaction has stopped

A

There is no more effervescence

21
Q

When there is no solid how do you obtain a solution

A

Titration using a bursts to measure the exact amount of acid added to the alkali

22
Q

Calcium + sulphuric acid>

A

Calcium sulphate+hydrogen

23
Q

Balance

C2H6+O2>CO2+H2O

A

2C2H6+7O2>4CO2+6H2O

24
Q

Give one example of an acid

A

Hydrochloric acid/nitro can/sulphuric

25
Q

Give one example of an alkali

A

Ammonia/lime water

Chemistry (2 decks)

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