Yeast and hydrogen peroxide create ________. 

This question was previously asked in
SSC GD Constable (2022) Official Paper (Held On : 13 Feb 2023 Shift 4)
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  1. oxygen 
  2. oxygen monoxide
  3. carbon dioxide
  4. carbon

Answer (Detailed Solution Below)

Option 1 : oxygen 
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Detailed Solution

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The correct answer is oxygen.Key Points

  • Yeast is a microorganism that is used in many food and beverage industries for fermentation purposes.
  • Hydrogen peroxide is a chemical compound that is commonly used as a disinfectant and bleaching agent.
  • When yeast is mixed with hydrogen peroxide, a reaction takes place that produces oxygen gas.
  • This is because hydrogen peroxide breaks down into water and oxygen when it comes into contact with the enzyme catalase in yeast.
  • The reaction between yeast and hydrogen peroxide is an example of an enzymatic reaction, where enzymes are used to speed up the rate of a chemical reaction.
  • Oxygen is an important gas for many living organisms, including humans, as it is needed for respiration to occur.

Additional Information

  • Carbon monoxide is a poisonous gas that is produced by incomplete combustion of fuels.
  • Carbon dioxide is produced during the process of cellular respiration in organisms.
    • It is stable, inert, and non-toxic under normal temperature and pressure settings.
    • It also doesn't burn.
  • Carbon is a common element found in many organic molecules.
    • At room temperature, carbon, which is categorized as a nonmetal, is a solid.
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