Crude Oil
Trending Questions
Why a piece of chalk be broken easily into smaller pieces while a coal piece cannot be broken easily?
Question 8
Explain the process of formation of petroleum.
- Vacuum distillation
- Steam distillation
- Fractional distillation
- Pyrolysis
- lighter
- heavier
- soluble
- insoluble
- Centrifugation
- Evaporation
- Distillation
- Fractional distillation
Across
3. A porous black substance obtained form coal. (4)
5. The substance obtained by carbonization. (4)
6. Fuel for heavy motor vehicles. (6)
7. A petroleum product used for road surfacing. (7)
8. Dead remains of sea animals got converted into it. (9)
Air is a natural resource and cannot be exhausted by human activities. It is known as an inexhaustible natural resource. Which of the following is another inexhaustible natural resource?
(a) Coal
(b) Petroleum
(c) Sun-light
(d) Minerals
- Carbon
- Hydrogen
- Oxygen
- Nickel
Vegetable oil is extracted from oilseeds by a process called steam distillation.
- True
- False
Petroleum is:
unprocessed crude oil
condensed form of crude oil
processed crude oil ready for market
precipitate left in the distillation of crude oil
Name the organic fuel which can be obtained from seaweed plantation.
- Charcoal
- Firewood
- Coal
- Petrol
Petroleum is a result of millions of years of decomposition of animal fossils under the earth's surface.
True
False
In villages, people use wood as fuel because:
(a) it is considered to be an ideal fuel
(b) Of its easy availability and low cost.
(c) it is environment friendly.
(d) it catches fire easily.
- Methane and propane
- Propane and butane
- Methane and hydrogen
- Ethane and acetylene
Both petroleum and coal are fossil fuels. Then why do they differ in their method of formation?
- Petrol
- Petroleum gas
- Kerosene
- Bitumen
Vegetable oils are extracted from oilseeds by a method called fractional distillation.
- True
- False
- Petroleum
- Residual oil
- Crude oil
- Natural gas
- transparent
- light yellow
- white
- brownish black
- Paraffins
- diesel
- lubricating oil
- All of the above
Fill in the blanks in the following sentences.
(a) Coal is one of the
(b) When heated in air, coal burns and produces mainly
(c) Coal tar is a black, thick
(d) Petroleum,
(e) Forests and coal are
In fractional distillation, oil is heated to about:
1000 ∘C
600 ∘C
200 ∘C
400 ∘C
The underlined words in the following sentences have been jumbled up. Write them in their correct form.
(a) Locais obtained from mines.
(b) Umpetlore is a fossil fuel.
(c) Rineryfe is a place where various fractions of petroleum are separated
(d) Keenrose is a fuel used in jet crafts
(e) Nutsgilh is an example of inexhaustible natural resources
Petroleum is:
unprocessed crude oil
processed crude oil ready for market
condensed form of crude oil
precipitate left in the distillation of crude oil