Question

which of the following is a property of acids?
o bitter taste
o slippery feel
o turns blue litmus paper red
o does not react with metals

Explanation:

Acids have a sour taste (not bitter), bases have a bitter taste. Bases have a slippery feel. Acids react with metals (e.g., \(Zn + 2HCl=ZnCl_2 + H_2\uparrow\)). One of the key properties of acids is that they turn blue litmus paper red.

Answer:

turns blue litmus paper red