Ncert solutions

Ncert solutions

Grade 7

Wastewater Story | Exercise

Question 11

Q11) Here is a crossword puzzle: Good luck!

Across

  1. Liquid waste products

  2. Solid waste extracted in sewage treatment

  3. A word related to hygiene

  4. The waste matter discharged from the human body

Down

  1. Used water

  2. A pipe carrying sewage

  3. Micro-organisms which causes cholera

  4. A chemical to disinfect water

Solution:

  1. Wastewater
  2. Sewer
  3. Sewage
  4. Sludge
  5. Bacteria
  6. Sanitation
  7. Ozone
  8. Excreta

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subject-cta

Question 11

Q11) Here is a crossword puzzle: Good luck!

Across

  1. Liquid waste products

  2. Solid waste extracted in sewage treatment

  3. A word related to hygiene

  4. The waste matter discharged from the human body

Down

  1. Used water

  2. A pipe carrying sewage

  3. Micro-organisms which causes cholera

  4. A chemical to disinfect water

Solution:

  1. Wastewater
  2. Sewer
  3. Sewage
  4. Sludge
  5. Bacteria
  6. Sanitation
  7. Ozone
  8. Excreta

Still have questions? Our expert teachers can help you out

Book a free class now

Want to top your science exam ?

Learn from an expert tutor.

Book a free class now
subject-cta
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