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Question

In order to reduce land pollution from industrial operations, some methods have been developed to reduce the volume of waste. Name the method in which waste is burned in the absence of oxygen. This method also produces stable end products.

A
Shredding
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B
Pyrolysis
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C
Scrubbing
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D
Electrostatic induction
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Solution

The correct option is B Pyrolysis
Pyrolysis is a thermochemical treatment, which can be applied to any organic product. It can be done on pure products as well as mixtures. In this treatment, the material is exposed to high temperature, and in the absence of oxygen goes through chemical and physical separation into different molecules. The decomposition takes place thanks to the limited stability of the chemical bond of material, which allows them to be disintegrated by using the heat. This is a method to reduce land pollution, in which waste is burned in the absence of oxygen.

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