red
orange and PH of 6
it turns red
red?
Light green
weak acid = orange/yellow
red
orange and PH of 6
it turns red
red?
Light green
weak acid = orange/yellow
red
green or blue
It will turn green! :)
red. on the PH scale it is 1.
blue
pH paper Merck art. 9565 become brown in an acid.