llaustible
lural resources
natural resources
(a) petrol
(b) coke
(c) charcoal
(a) hydrogen
(b) carbon monoxide
(d) coal
(c) methane
(d) butane
(a) ethane
(a) biogas
(b) propane
(c) methane
(b) petroleum gas
(c) natural gas
(d) butane
(d) coal gas
(b) natural gas
One of the following is not an exhaustible source of energy. This one is :
(b) petroleum
(a) biogas
(C) coal gas
(d) petroleum gas
(a) natural gas
gas
(c) coal gas
(d) biogas
44. (a) What is petroleum ? Where does petroleum occur?
(b) Describe the process of formation of petroleum.
45. (a) What are petrochemicals ? Name any two petrochemicals.
(b) Why are petrochemicals so important?
ultiple Choice Questions (MCQs)
46. Which one of the following is not a fossil fuel ?
27. The major component of LPG is :
8. Which is the major component of CNG ?
>. The gas which occurs above the petroleum oil trapped under the rocks is called :
Which of the following is being used as a source of hydrogen gas needed to manufacture fertilisers?
Answers
answer : A non-renewable resource is a natural resource that cannot be readily replaced by natural means at a quick enough pace to keep up with consumption. An example is carbon-based fossil fuel. The original organic matter, with the aid of heat and pressure, becomes a fuel such as oil or gas.
44 a)Coal, natural gas, and petroleum are all fossil fuels that formed under similar conditions. Today, petroleum is found in vast underground reservoirs where ancient seas were located. Petroleum reservoirs can be found beneath land or the ocean floor. Their crude oil is extracted with giant drilling machines.
b) Petroleum was formed from dead organisms that got buried in the sea millions of years ago. These dead bodies got covered with layers of sand and clay. Lack of air, high temperature, and high pressure transformed these dead organisms into petroleum and natural gas
45 a)
Petrochemicals (also known as petroleum distillates) are chemical products derived from petroleum. ... The two most common petrochemical classes are olefins (including ethylene and propylene) and aromatics (including benzene, toluene and xylene isomers).
b) Petrochemicals are chemicals derived from petroleum or natural gas. They are an essential part of the chemical industry as the demand for synthetic materials grows continually and plays a major part in today's economy and society.
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Answer:
answer : A non-renewable resource is a natural resource that cannot be readily replaced by natural means at a quick enough pace to keep up with consumption. An example is carbon-based fossil fuel. The original organic matter, with the aid of heat and pressure, becomes a fuel such as oil or gas.
44 a)Coal, natural gas, and petroleum are all fossil fuels that formed under similar conditions. Today, petroleum is found in vast underground reservoirs where ancient seas were located. Petroleum reservoirs can be found beneath land or the ocean floor. Their crude oil is extracted with giant drilling machines.
b) Petroleum was formed from dead organisms that got buried in the sea millions of years ago. These dead bodies got covered with layers of sand and clay. Lack of air, high temperature, and high pressure transformed these dead organisms into petroleum and natural gas
45 a)
Petrochemicals (also known as petroleum distillates) are chemical products derived from petroleum. ... The two most common petrochemical classes are olefins (including ethylene and propylene) and aromatics (including benzene, toluene and xylene isomers).
b) Petrochemicals are chemicals derived from petroleum or natural gas. They are an essential part of the chemical industry as the demand for synthetic materials grows continually and plays a major part in today's economy and society.
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Explanation: