Acids Flashcards

1
Q

Definition of an acid

A

A chemical substance that neutralises alkalis, dissolves some metals and turns litmus paper red. Typically corrosive or a sour tasting liquid

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2
Q

Indicators

A

Litmus paper, universal indicator, methyl orange and phenolphtalein

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3
Q

pH scale

A

(acidic) 0 1 2 3 4 5 6 (neutral) 7 (alkaline) 8 9 10 11 12 13 14

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4
Q

Colours in pH

A

Litmus turns red in acids and stays blue in alkalis

Universal turns red in acid and purple in alkali

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