Acid number of a lubricating oil is_________required to neutralise all acidic constituents of 1 g of oil.

Acid number of a lubricating oil is_________required to neutralise all

1.	Acid number of a lubricating oil is_________required to neutralise all acidic constituents of 1 g of oil.
A.	Mgs of KOH
B.	Mgs of K<sub>2</sub>SO<sub>4</sub>
C.	Mgs of NaOH
D.	Mgs of Na<sub>2</sub>SO<sub>4</sub>
Answer» B. Mgs of K<sub>2</sub>SO<sub>4</sub>