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Why Should Oils and Fats Be Not Released in the Drain? Explain. - CBSE Class 7 - Science

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Question

Why should oils and fats be not released in the drain? Explain.

Solution 1

Oils and fats harden and block the sewage pipes. In an open drain also, fats block porosity of soil which affects its water filtering efficiency. That is why oils and fats should not be released in the drain.

Solution 2

Oils and fats should not be released in drains because they harden the soil in the pipes and block them. Fats get clogged in holes of the soil in the drain and block it. It does not allow the water to flow.

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APPEARS IN

 NCERT Solution for Science Textbook for Class 7 (2018 to Current)
Chapter 18: Wastewater Story
Q: 3 | Page no. 228
Solution Why Should Oils and Fats Be Not Released in the Drain? Explain. Concept: Better House Keeping Practices.
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