Consider the following statements related to the Shale Gas 1 Shale gas originates from the the...........

Geography Energy

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Consider the following statements related to the Shale Gas:

1. Shale gas originates from the thermochemical cracking of organic material in igneous rocks.

2. It is called 'sweet gas' because of its lack of hydrogen sulfide.

3. It contains very little heavier hydrocarbons such as propane or butane.

Which of the above statements is/are incorrect?

1 and 2

2 and 3

Only 2

All of the above

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Explanation:

1. First statement is incorrect as it should read as Shale gas originates from the hydraulic fracturing of organic material in sedimentary rocks.

2. It is coalbed gas which is known as sweet gas, not shale gas.

3. Shale is a compressed fine-grained type of sedimentary rock. It was formed from mud silt, clay, and organic matter.

Shale gas is natural gas trapped within tiny pore spaces in shale formations. It is a hydrocarbon gas mixture. It consists mainly of methane. Other hydrocarbons are natural gas liquids (NGLs) like ethane, propane, and butane, and it also contains carbon dioxide, nitrogen, and hydrogen sulfide.