Orange
Alkalis turn red cabbage juice blue/green/yellow.
Alkali turns litmus paper blue.
Alkalis turn phenolphthalein pink or magenta.
Universal indicator will turn dark blue or purple when mixed with a strong alkali.
ph 8- p14 is a alkali. blue for weak alkali (ph 8) purple for strong alkali (ph14)
greenish yellow
Alkalis turn red cabbage juice blue/green/yellow.
Alkali turns litmus paper blue.
Alkalis turn phenolphthalein pink or magenta.
Universal indicator will turn purple or blue when mixed with a weak alkali.
Universal indicator will turn dark blue or purple when mixed with a strong alkali.
Blue. As bicarbonate is alkali
ph 8- p14 is a alkali. blue for weak alkali (ph 8) purple for strong alkali (ph14)
Universal indicator will turn green when an acid is mixed with an alkali. This green color indicates a neutral pH level which is achieved when the acid and alkali have neutralized each other.
blue
Red
It will turn colourless.