Extraction of Oils

Q.

Which material is called black gold ? Why ?

Q.

(a) where and when was the world's first oil well drilled ?

(b) Where and when was oil first struck in India ?

Q.

Which of the following is not a constituent of petroleum?

1. paraffin wax

2. Lubricating oil

3. petrol

4. coke

Q.

What is petroleum? Where does petroleum occur?

Q.

(a) What is petroleum ? Where does petroleum occur ?

(b) Describe the process of formation of petroleum.

Q. Fractional distillation of coal tar yields:

1. organic compounds
2. coke
3. inorganic compounds
4. coal gas

Q.

Is it possible to extract petroleum from under the sea - bed ?

Q.

The gas which occurs above the petroleum oil trapped under the rocks is called :

(a) biogas

(b) petroleum gas

(c) natural gas

(d) coal gas

Q. When a balloon containing air is pricked with a nail, the air from balloons comes out of it because

1. the air pressure inside the balloon is low compared to atmospheric pressure.
2. the volume of air inside the balloon is more in comparison to the volume of air outside the balloon
3. the air pressure inside the balloon is equal to atmospheric pressure.
4. the air pressure inside the balloon is high compared to atmospheric pressure.

Q. Assertion (A): Crude petroleum or crude oil pumped out of oil well is not pure.

Reason (R): Petroleum is refined to get various fractions which can be used for a specific purpose.

1. Both A and R are true and R explains A
2. A is true and R is false
3. Both A and R are false
4. Both A and R are true but R does not explain A

Q. Which of the following is found between the layers of rocks that are buried deep under the surface of the Earth?

1. Coal tar
2. Petroleum
3. Coal
4. Hydrogen fuel

Q. For the synthesis of oil from powdered coal it is mixed with a hot solvent and treated with

1. Hydrogen
2. Nitrogen
3. Helium
4. Butane

Q. Select the appropriate option that can relate to the process of refining of petroleum.

1. Extracting petroleum gas
2. Separation of various fractions of petroleum
3. Heating of coal
4. Sedimentation of fossil fuels

Q.

The by-products of coal are obtained when coal is:

1. heated in absence of air.
2. cooled in absence of air.
3. cooled in presence of air.
4. heated in presence of air.

Q.

In which part of India was the first oil reserve discovered?

1. Maharashtra

2. Tamil Nadu

3. Andhra Pradesh

4. Assam

Q. Statement 1: Crude oil pumped out of the earth is not pure.
Statement 2: Petroleum is refined to get various useful products.

1. Only statement 1 is correct.
2. Only statement 2 is correct.
3. Both statements are correct.
4. Both statements are incorrect.

Q. Which of the following devices is used in identifing the presence of petroleum in an area?

1. Telescope
2. Geoscope
3. Geophone
4. Venturimeter

Q. Petroleum is made of fossils from which of the following animals?

1. Whales
2. Lions
3. Turtles
4. Horses

Q.

Fractures in oil reservoirs ___

1. helps or obstructs in oil recovery process.

2. have no effect on oil recovery process.

3. obstruct in oil recovery process.

4. help in oil recovery process.

Q. are used to determine presence of oil in rocks.

1. Barometers
2. Geophones
3. Anemometers
4. Speedometers

Q.

Explain distillation of coal

Q. keep away tiny oil drops from clinging to the rocks.

1. Surfactants
2. Acids
3. Bases
4. Ammonia solution

Q. Question 12
Choose the correct statement from the following:

(a) It is difficult to transport natural gas through pipes.
(b) The disadvantage of natural gas is that it cannot be used directly for burning in homes
(c) Natural gas is stored under high pressure as compressed natural gas.
(d) Natural gas cannot be used for power generation

Q. Describe how coal is formed from dead vegetation.​ What is this process called? [2 marks]

Q.

The by-products of coal are obtained when coal is:

1. cooled in absence of air.
2. heated in absence of air.
3. heated in presence of air.
4. cooled in presence of air.

Q. When a balloon containing air is pricked with a nail, the air from balloons comes out of it because:

1. the air pressure inside the balloon is low compared to atmospheric pressure.
2. the air pressure inside the balloon is equal to atmospheric pressure.
3. the air pressure inside the balloon is not comparable to atmospheric pressure.
4. the air pressure inside the balloon is high compared to atmospheric pressure.

Q.

Fractures in oil reservoirs:

1. help in oil recovery process.

2. obstruct in oil recovery process.

3. have no effect on oil recovery process.

4. helps and obstructs in oil recovery process.

Q. Which of the following is obtained during the processing of coal to obtain coke?

1. Producer gas
2. Consumer gas
3. Water gas
4. Coal gas

Q. keep away tiny oil drops from clinging to the rocks.

1. Surfactants
2. Acids
3. Bases
4. Ammonia solution

Q. Useful substances obtained from petroleum and natural gases are called as ________.

1. petroleum products
2. petrochemicals
3. chemicals
4. none of these