different indicators Flashcards

(3 cards)

1
Q

what colour is methyl orange in acid and alkali

A

red acid

yellow alkaline

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2
Q

what colour is phenolphthalein in acid and alkaline

A

colourless in acid
pink in alkali

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3
Q

what colour is litmus in acid and alkali

A

red in acid
blue in alkali

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