Red litmus paper will turn blue in the presence of a base. Toothpaste is a base, so the litmus paper would turn blue.
Litmus paper is neutral and has a PH of 7 o adding an alkali will turn it purple and adding an acid will turn it red-pink.
Acids turn blue litmus to red. Bases turn red litmus blue.
yes a blue litmus paper turns red when put into an acid
HCl (hydrochloric acid) is an acid so it will turn litmus paper red. and alkali will go from red litmus to blue.
It turns it
They turn it either red or blue. Acids turn blue litmus paper red and bases turn red litmus paper blue.
Actually, no. Acids turn litmus red, not bases.Bases just turns litmus blue.
No. Ammonia is a base, and will turn red litmus blue without changing the colour of blue litmus.
HCl (hydrochloric acid) is an acid so it will turn litmus paper red. and alkali will go from red litmus to blue.
Red litmus paper remains red when dipped into an acid. Blue litmus paper will turn red in an acid. Similarly, Blue litmus remains blue in a base. Red litmus turns blue in a base.
Acidic substances turn blue litmus paper to a red-ish, pink. Base substances however will turn red litmus a blue-ish purple.