1. Define exhaustible and inexhaustible natural resources and give two examples of each
. 2. How is wood converted into coal inside the earth?
3. How is coal gas obtained ? Name the active components of coal gas.
4. How is petroleum formed inside the earth ?
Answers
Answer:
1. Exhaustible Natural Resources – Exhaustible sources are those sources of energy, which will deplete and exhaust after a few hundred years. Examples – Coal, petroleum, etc. ... Exhaustible Natural Resources are petrol, coal natural gas, forest and minerals. Inexhaustible Natural resources are wind, sunlight and water.
ex:Exhaustible Natural Resources are petrol, coal natural gas, forest and minerals.
Inexhaustible Natural resources are wind, sunlight and water.
2.Sometimes earthquake and volcanoes buried entire forests deep down in the earth. The high temperature and high pressure inside the earth slowly converted the buried vegetation into coal. A coal contains mainly carbon. Thus, this slow process of conversion of wood into coal is called carbonization.
3.Coal gas is obtained through the destructive distillation of soft coal. The active components are hydrogen. methane, carbon monooxide.
4.Like coal and natural gas, petroleum was formed from the remains of ancient marine organisms, such as plants, algae, and bacteria. ... Over millions of years under high pressure and high temperature, the remains of these organisms transformed into what we know today as fossil fuels
Answer:
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