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GCSE Chemistry > Indicators > Flashcards

Indicators Flashcards

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1
Q

What is the colour of methyl orange in acidic, neutral and alkaline solutions?

A

Acidic: Red
Neutral: Yellow
Alkaline: Yellow

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2
Q

What is the colour of phenolphthalein in acidic, neutral and alkaline solutions?

A

Acidic: Colourless
Neutral: Colourless
Alkaline: Pink

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3
Q

What is the colour of red litmus in acidic, neutral and alkaline solutions?

A

Acidic: Red
Neutral: Red
Alkaline: Blue

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4
Q

What is the colour of blue litmus in acidic, neutral and alkaline solutions?

A

Acidic: Red
Neutral: Blue
Alkaline: Blue

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5
Q

What is the colour of universal indicator in acidic, neutral and alkaline solutions?

A 
Strongly acidic: Red / Orange
Weakly acidic: Orange / Yellow
Neutral: Green
Weakly alkaline: Light blue
Strongly alkaline: Dark blue / Purple
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GCSE Chemistry (18 decks)

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