Question

Petroleum is also known as _________.

• A. black diamond
• B. black gold
• C. black platinum
• D. silver oil

Answer 1

The correct option is B black gold

Many useful substances are obtained from petroleum and natural gas. These are termed as petrochemicals. These are used in the manufacture of detergents, fibres (polyester, nylon, acrylic etc.), polythene and other man-made plastics. Hydrogen gas obtained from natural gas, is used in the production of fertilisers (urea). Due to its great commercial importance, petroleum is also called ‘black gold’.