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Science Grade 10: Chemistry > Indicators > Flashcards

Indicators Flashcards

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1
Q

When does blue litmus paper react?

A

Turns red in acid
Blue
Red
Acid

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2
Q

When does red litmus paper react?

A

Turns blue in base.
Red
Blue
Base

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3
Q

What colour does phenolphthalein turn in a acid and base?

A

acid- remains colourless

Base- fuchsia/ pink

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4
Q

What colour does bromethymol blue turn in an acid and base?

A

Acid- yellowish

Base-Blue

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5
Q

What colour does congo red turn in an acid and a base?

A

Acid- blueish purple

Base- still red

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Science Grade 10: Chemistry (13 decks)

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