Mild non-corrosive basic salt is
(a) Ca (OH) 2
(b) NaCl
(c) NaOH
(d) NaHCO 3
Answer:
(d) NaHCO3
Ca(OH) 2 (Calcium Hydroxide) is a strong base which can be corrosive is used in high concentrations
NaCl (Sodium Chloride) is not basic. It is neutral
NaOH is also a very strong base which is highly corrosive.
NaHCO 3 , commonly known as baking soda, is a weak base which is non-corrosive.