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प्रश्न
State whether the following statement is true or false:
Anaerobic bacteria digest animal waste and produce biogas.
पर्याय
True
False
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उत्तर
This statement is True.
Explanation:
Anaerobic bacteria are microorganisms that can thrive in the absence of oxygen. These bacteria break down organic matter, such as animal waste, through a process called anaerobic digestion, and in the process, they produce biogas. Biogas primarily consists of methane, which can be used as a source of energy.
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Rusting of almirah
Classify the following as chemical or physical change:
Burning of paper and wood
Classify the following changes as physical or chemical: curdling of milk
What role does energy play in initiating a chemical change ?
Two chemical substances X and Y combine together to form a product P which contains both X and Y X + Y P
X and Y cannot be broken down into simpler substances by simple chemical reactions. Which of the following statements concerning X, Y and P are correct ?
- P is a compound
- X and Y are compounds
- X and Y are elements
- P has a fixed composition
Classify the following as a physical or a chemical change.
Burning of coal
Ice kept in a beaker, slowly melts and turns into water. The water in the beaker on solidification is freezing turns back to ice. Give four reasons why the change from ice to water and water back to ice is considered a physical change.
State why addition of sodium chloride to water is considered a physical change, while addition of dilute sulphuric acid to zinc is considered a chemical change.
Select the chemical changes from the following list of changes
Boiling of milk.
Iron pipes coated with zinc do not get rusted easily.
