Question : What do you understand by the term "Dark Fermentation"?
Option 1: It is a method to dispose of nuclear waste.
Option 2: It is a method to produce methane from organic wastes.
Option 3: It is a method to reduce COD in the atmosphere.
Option 4: It is a method to produce hydrogen as fuel from wastewater.
Correct Answer: It is a method to produce hydrogen as fuel from wastewater.
Solution : The correct option is It is a method to produce hydrogen as fuel from wastewater.
Dark Fermentation is a biological process where microorganisms break down organic matter, typically in the absence of light, to produce hydrogen gas. In the context of wastewater, microorganisms convert organic compounds into hydrogen. This sustainable method harnesses energy from waste, providing a potential source of clean fuel, and addressing environmental concerns associated with wastewater treatment.
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Question : Sentences of a paragraph are given below. While the first and the last sentences ( 1 and 6) are in the correct order, the sentences in between are jumbled up (A to D). Arrange the sentences in the correct order to form a meaningful and coherent paragraph.
1. Biogas is
Question : When Hydrogen starts burning in air ,it produces?
Question : Production of alcohol from organic compound by microorganisms is known as:
Question : Which one of the following statements about pyrolysis, which is a process for solid waste treatment, is incorrect?
Question : How many hydrogen atoms are there in a molecule of methane?
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