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GCSE Chemistry - Chemical Changes > pH Scale And Neutralisation > Flashcards

pH Scale And Neutralisation Flashcards

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1
Q

Describe the pH scale

A

pH 1 = Acidic

pH 7 = Neutral

pH 14 = Alkali

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2
Q

What is the neutralisation equation?

A

H± plus OH- ➡️ H2O

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3
Q

What is phenolphthalein?

A

An indicator that will be pink in an alkali and clear in acids.

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4
Q

What is methyl orange?

A

An indicator that will be yellow in an alkali, and in an acid will be bright red.

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GCSE Chemistry - Chemical Changes (9 decks)

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