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Phenopthalene turned into pink.pH should be above 10.
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∙ 11y ago
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How do you determine if a substance is an acid or a base using phenolphtalein indicator?
Phenolphtalein indicator is colorless in dilute acid solution and basic solutions will turn its color (puplish) red.
What color do bases turn in pH paper?
Blue
Why use phenolphthalein in ester hydrolysis?
Because depending on the pH the phenolphtalein solution change the color.
What color does an acid turn if red cabage indacator is added?
Acids turn red/pink when red cabbage indicator is added. Alkali/bases turn blue/green. Neutrals turn purple.
What color will acids and bases turn litmus paper?
Acid turns it in red, while base will turn it blue.
What color does salt water turn into phenolphtalein?
The change of color depends on the type of the salt.
What color does phenolphthalein turn when dipped in water?
Phenolphtalein is colorless at pH=7.
How do you determine if a substance is an acid or a base using phenolphtalein indicator?
Phenolphtalein indicator is colorless in dilute acid solution and basic solutions will turn its color (puplish) red.
In which color does bases turn turmeric into?
Bases turn turmeric into red color, whereas acids and neutrals do not have any affect on the solution (it remains yellow in color).
What happen when sodium hydroxide is added to phenophathalen?
The color of phenolphtalein in basic medium is "fuchsia".
What color do bases turn in pH paper?
Blue
Why use phenolphthalein in ester hydrolysis?
Because depending on the pH the phenolphtalein solution change the color.
Test for hydroxide ion?
Phenolphtalein indicator turn blueish purple and lithmus turning blue are good indicator when concentration is higher than 0.000,001
What is the action of caustic soda on colour of phenolphtalein?
Basic materials and any weak acid solution with pH above 4 turn Methyl Orange into orange-yellow
What color does an acid turn if red cabage indacator is added?
Acids turn red/pink when red cabbage indicator is added. Alkali/bases turn blue/green. Neutrals turn purple.
What color will acids and bases turn litmus paper?
Acid turns it in red, while base will turn it blue.
What colour does tea turn in acids or bases?
Color changes from dark brown to a lighter yellowish brown, sometimes rather orange.
