Litmus turns red in acidic conditions which basically spells DANGER; so its quite easy to remember it that way.
HA purpley
the litmus paper turns red when in contact with phosphoric acid
Acid rain, like other acids, turns blue litmus paper red (pink).
HCl (hydrochloric acid) is an acid so it will turn litmus paper red. and alkali will go from red litmus to blue.
You use the blue litmus to to test an acid other wise no result of testing an acid
i think purple Acid does not change the color of red litmus paper.
an acid turns the litmus paper red.
Acid: Red litmus
When an acid touches Litmus paper it turns red (pink).
The color of litmus paper in acidic solutions is red.
red
I believe, that acid makes blue litmus paper turn red.
No an acid will only change the litmus paper red regardless of of the substance color.
the litmus paper turns red when in contact with phosphoric acid
Nothing, red litmus paper changes in the presence of an acid not a base, blue litmus paper turns red with nitric acid
Blue litmus paper would be used and if the chemical is an acid the litmus paper would turn red.
red
Red