Bases turns red litmus paper……….
a) yellow
b) orange
c) green
d) blue
……….changes the color of acid-base indicators.
a) Acid
b) Base
c) both a and b
Strong bases are corrosive and conduct electricity when dissolved in……….
a) water
b) alcohol
c) ester
d) phenol
Arrhenius Concept of Acids and Bases:-
Svante Arrhenius is a……….chemist.
a) Swedish
b) British
c) American
d) none of these
Arrhenius explained the concept of acids and bases in……….
a) 1883
b) 1880
c) 1886
d) 1884
