Web23 Feb 2024 · Class 7 Wastewater Story Extra Questions Question 15. Suggest some better housekeeping practices. Answer: Cooking oil and fats should not be thrown down the drain. They can harden and block the pipes. In an open drain, the fats clog the soil pores reducing its effectiveness in filtering water. Oil and fats should be thrown in the dustbin. Web23 Feb 2024 · Class 7 Science Chapter 18 MCQ Question 2. Period 2005-2015 is being celebrated as the international decade for action on. (a) water for life. (b) education for all. (c) global war. (d) terrorism. Answer. Waste Water Story Class 7 MCQ Chapter 18 Question 3. In sewerage manholes are located at every.
What is sewage ? EduRev Class 7 Question
Web22 May 2024 · Sewage is a: (a) liquid waste (b) solid waste (c) gaseous waste (d) none of these Answer Question 15. Following process is not a part of waste water treament: (a) chlorination (b) decomposition (c) evaporation (d) grit and sand removal Answer Question 16. This disease is not caused by polluted water: (a) cholera (b) typhoid (c) haemorage WebAnswers: 1. Sewage includes household wastewater from the kitchen sink, washing machine, wash basin, bathroom shower, bathtub and faeces from the toilet. In addition to … henredon furniture san antonio
Wastewater Treatment Components ATB WATER
Web20 Jun 2024 · in 7th Class. Candidates can download NCERT Exemplar Class 7 Science Unit 18 from this page. The exemplar has been provided by the National Council of Educational Research & Training (NCERT) and the candidates can check it from below for free of cost. It contains objective, very short answer type, short answer type, and long answer type … WebSewage comprises of waste water released from homes, industries, hospitals and offices and also the water collected during rains. Sewage treatment is the step wise procedure … WebWaste Water Story For Class 7 Science MCQ Questions. Q 1 – Which one of the following is a quality of wastewater? (a) Foul smell. (b) Bad taste. (c) Dirty look. (d) All of these. Ans. … henredon furniture stores