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When universal indicator is put in water soluion of alkalis (base) it indicates significant blue colour.
Alkalis turn universal indicator blue or purple.
Purple. Sodium Hydroxide is an Alkali/base. Bases and Alkalis have a pH greater than 7, and turn blue-purple in universal indicator.
Universal indicator will turn red or pink in dilute hydrochloric acid.
Universal indicator would likely turn red in ethanol, indicating that it is acidic.
When universal indicator is put in water soluion of alkalis (base) it indicates significant blue colour.
Alkalis turn universal indicator blue or purple.
The alkali makes a universal indicator turn blue.
Purple. Sodium Hydroxide is an Alkali/base. Bases and Alkalis have a pH greater than 7, and turn blue-purple in universal indicator.
Universal indicator will turn purple or blue when mixed with a weak alkali.
Universal indicator would likely turn red in ethanol, indicating that it is acidic.
Universal indicator will turn red or pink in dilute hydrochloric acid.
black
Bronze
Citric acid is a weak acid, so it would turn a universal indicator to orange or red.
Sugar typically turns yellow on universal indicator paper, indicating that it is acidic.
blue