Chemistry-Indicator colour changes
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Acids and Bases
Last updated 10:06 PM on 11/3/25
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8 Terms
1
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Red L.P ~Acid
Nothing happens it remains red
2
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Red L.P ~Alkali
Turns blue indicating a the presence of a base
3
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Blue L.P ~Acid
Turns red indicating acidity
4
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Blue L.P ~Alkali
Remains blue
5
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Methyl Orange~Acid
Turns red in acids
6
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Methyl Orange~Alkali
Turns yellow in alkalis
7
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Thymolphthalein~Acid
Colourless
8
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Thymolphthalein~Alkali
9.3-10.5=Blue
+10.5=Pink
Note 
Flashcards (96)