Question

Which of the following is NOT a common property of bases?

a. feels slippery
b. tastes bitter
c. reacts with metals
d. changes colors of indicators

Answer 1

Bases are a class of compounds composed mainly of metal oxides and metal hydroxides. Bases exhibit the following properties:
Slippery feeling because they react with oils on the skin's surface to form soap.
Bitter taste
Changes color of indicators

However, bases do not react with metals. Therefore, the answer is C.