Question

1. In India, oil was first struck in _________ in Assam in 1867.
2. Fossil fuels are CNG, natural gas and ____________.
3. Process of separation of different constituents from petroleum is called _______.
4. Plants and animals are living __________ resources.
5. ____________ is the best variety of coal.
6. _________ has about 38% of carbon.
7. The world’s first oil well to yield petroleum was dug in _________ in USA in 1859.
8. Petroleum products are primarily used as __________.
9. __________ is a cheap and convenient fuel for rural population.
10.__________ have toxic mercury in them which LEDs do not have.

Answer 1

Answer:

1. 26th March

2. petrol

3. refining

4.