Question

Fill ups

1. Coke is formed when coal is heated in,.......... (Absence/presence) of air.

2............ (Coke/coal) is the pure form of carbon.

3. Coke is used in the manufacturing of............. (Steel/lead)

4. Under.............. (High/lower) temperature, dead plants get slowly converted to coal.

5. Petroleum is a...,....,...., and............ Resources.

6. The process of separating the various constituents of petroleum is known as........,.........

7. The world's first oil well was direlled in..,,.,....... USA.

Answer 1

1.Absence. 2.Coke. 3.Steel . 4.High. 5.Unconventional and natural resources. 6.Refining. 7.Creek near Titusville pennsylvania.

Answer 2

Answer:

1. Absence

2. Coke

3. Steel

4. High temperature

5. Natural and Exhaustible resource

6. Refining

7. Pennsylvania, United States of America