Question

why is petrol known as black gold?

Answer 1

petrol is known as black gold because it is as important ( commercially very important )as gold and is now getting less day by day due to rapid increase in use of vehicles and machineries in which it is used.

Answer 2

petrol is known as black gold because as we all know that petrol is usually obtained from petroleum in which it seems to be black in colour after that the petroleum is to be refined in refinery and you will be surprised to to be know the the petroleum is made up of almost 200 substances from that petrol is obtained and it takes about millions of year to form petrol and when it almost take a hour to be used as fuel thatswhy Petro is known as black gold.......