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Environmental Chemistry — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryEnvironmental Chemistry3 Marks
Question
  1. Name two important sinks of $\mathrm{CO}_2$.
  2. What is marine pollution?
  3. What is humification?
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Answer

  1. Soil micro-organisms convert $\mathrm{CO}_2$ into carbonates. Sea water can dissolve large amount of $\mathrm{CO}_2$​​​​​​​.
  2. Marine pollution is pollution caused by undesirable substances in sea water e.g., spilling of oils from ships.
  3. Humification is production of humus by microorganisms in soil. It increases fertility of soil.

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