Webis a process of waste water treatment. refers to waste water that is released by homes, industries, hospitals etc. refers to the rain water that run down the streets during heavy rains. All of the above Question 5 30 seconds Q. In the treatment of waste water, following steps are involved. WebClass 7 Science Chapter 18 MCQ (Multiple Choice Questions) of Wastewater Story in English Medium updated for CBSE Session 2024-2024. All the questions are important and useful of terminal exams and class tests. MCQs are design in such a way it covers the entire chapter 18 of class 7 science.
Wastewater Story Class 7 Extra Questions and Answers Science …
Web23 feb. 2024 · Wastewater Story Class 7 Questions With Answers Question 8. How do sand, grit and pebbles settle down in the grit and sand removal tank? Answer: Jn grit amps and removal tank, the speed of the incoming wastewater is decreased to allow sand, grit and pebbles to settle down. Extra Questions For Class 7 Science Chapter 18 Question 9. Web16 okt. 2024 · Wastewater Story Class 7 Extra Questions Long Answer Type. Question 1. Suggest some better housekeeping practices. Answer: (i) 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. inheritance examples in python
Online Education MCQ Questions for Class 7 Science Chapter 18 ...
WebRead and download free pdf of CBSE Class 7 Science Waste Water Story Assignment. Get printable school Assignments for Class 7 Science. Standard 7 students should practise questions and answers given here for Chapter 18 Wastewater Story Science in Grade 7 which will help them to strengthen their understanding of all important topics. WebHimachal State Exams. Delhi State Exams. Uttarakhand State Exams. Punjab State Exams. J&K State Exams. Questions Bank. 7th Class. Science. Wastewater Story. WebWaste Water Story Class 7 MCQ Chapter 18 Question 3. In sewerage manholes are located at every (a) 20-25 m (b) 50-60 m (c) 90-100 m (d) 100-110 m. Answer. Answer: (b) 50-60 m. Class 7 Science Ch 18 MCQ Question 4. Which one of the following is a step in wastewater treatment? (a) Aeration (b) Filtration mla citing scholarly articles