Assuming it to be mostly a weak acid, the color would be orange/yellow
weak acid = orange/yellow
pH 5.6
Green
green
it turns red
weak acid = orange/yellow
red
pH 5.6
green.
Green
it turns red
green
red?
Light green.
green
Bright red and the colourless
Baking soda is sodium bicarbonate or sodium hydrogen carbonate It is alkaline and will therefore turn universal indicator purple or blue