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Chemistry > Acids And Bases > Flashcards

Acids And Bases Flashcards

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1
Q

Bases

A

Indigestion tablets, Soap, Shampoo, Bread soda, Toothpaste and Window Cleaner

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2
Q

Bases in the lab

A

Sodium Hydroxide - NaOH

Limewater - (OH)2

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3
Q

Acids

A

Lemons, Vinegar, Vit C, Grapes, Rhubarb, Fizzy Drinks, Tea and Apples

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4
Q

pH

A

We can tell how acidic or basic a substance is by measuring something called pH

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5
Q

Alkali

A

A base that dissolves in water is called an alkali eg drain cleaner (sodium hydroxide)

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6
Q

Neutral

A

If something is neither an acid nor a base, and has a pH of 7, then it is neutral

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7
Q

Neutralisation

A

If an acid and base are mixed together in the right concentrations, then they neutralise each other. a salt and water are produced

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8
Q

Indigestion

A

Excess stomach acid, take an antacid (anti-acid) which is a base

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9
Q

A Bee Sting

A

A bee sting is acidic: Rubbing a base e.g. bread side will neutralise it

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10
Q

A Wasp Sting

A

Is alkaline: this needs to be treated with an acid e.g. Vinegar

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11
Q

Titration

A

An experiment to neutralise an acid (hydrochloric acid) with a base (sodium hydroxide)

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12
Q

The products of the titration

A

Salt and water

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13
Q

Indicator paper

A

An indicator changes colour to tell us if something is an Acid or a Base

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14
Q

Litmus paper (blue)

A

Acid turns blue litmus paper red

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15
Q

Litmus paper (red)

A

Bases turn litmus paper blue

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16
Q

Universal indicator paper

A

This changes different colours for different pH values, it compared to the key on the pack

17
Q

Datalogging

A

This is where you use a pH sensor connected to a computer to measure pH

18
Q

Test for hydrogen

A

Lit splint will pop

19
Q

Test for carbon dioxide

A

Limewater will turn milky

20
Q

Acids in the lab

A

Hydrochloric Acid - Also found in the stomach

Sulphuric Acid - Also found in car batteries

Chemistry (4 decks)

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