Q68
'Black Gold' refers to
A.
Coal
B.
Petroleum
AnswerC.
Gold
D.
Diamond
Answer: Option B
Solution
Answer: Option B
Solution:
'Black Gold' refers to Petroleum. Petroleum is also known as Black Gold - because when crude oil is extracted from the land it is black in color. People call it gold because of its oils and value . It is very difficult to find.