What if This Will Be Finished — EVS STD 5 — Question
Gujarat BoardEnglish MediumSTD 5EVSWhat if This Will Be Finished1 Mark
Question
Why is petroleum known as 'black gold' ?
✓
Answer
Petroleum is a thick black oily liquid. It is also found under the ground, just like gold is. Innumerable useful things are obtained from petroleum. In this way, petroleum is also a mineral as precious as gold, so it is known as 'black gold'.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.