When red light hits red paper, the paper appears red because it selectively reflects the red light while absorbing other colors. The red pigment in the paper absorbs all colors of light except red, which is reflected back to our eyes, making the paper appear red.
The paper become red.
blue litmus paper turns to red when its in contact with acid
yes a blue litmus paper turns red when put into an acid
If if it is red Litmus paper, then it will remain red because vinegar is acidic. (Blue Litmus paper would turn red if you dipped it into vinegar).
Lemon juice is an acid therefore, it turns blue litmus paper red and red litmus paper remains red
If it's red, then the paper will stay red. If it's blue, the paper will turn red. REMEBER B IS FOR BASE!
Blue litmus paper will turn to red because hydrochloric is an acid. In aqueous solutions,acid change blue litmus paper to red. In aqueous solutions,base change red litmus paper to blue.
HCl (hydrochloric acid) is an acid so it will turn litmus paper red. and alkali will go from red litmus to blue.
Acid turns litmus paper red.
if you print a piece of paper off with the cheats you want to get rid of in red paper, then the cheats will be in red. (well black really, but the paper will be red)
The red litmus paper will remain red in acetic acid. Acetic acid is a weak acid and does not change the color of red litmus paper.