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Chemistry paper 1 > PH Scale and salts > Flashcards

PH Scale and salts Flashcards

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1
Q

PH scale

A

Substances dissolved in water=dissociate into individual ions
Hydroxide ions=alkaline solutions
Hydrogen ions= acidic solutions

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2
Q

Scale

A

Ph less than 7=acidic
Ph more than 7=alkaline
Ph of 7=neutral

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3
Q

How is ph measured

A

By ph probe or universal indicator

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4
Q

Indicators

A

Dyes that change colour depending on acidic or alkaline solutions

Litmus paper= white to blue vice versa

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5
Q
A
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Chemistry paper 1 (17 decks)

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