Jhara Roy Solutions for Chapter: Wastewater Story, Exercise 3: SUMMATIVE ASSESSMENT
Jhara Roy Science Solutions for Exercise - Jhara Roy Solutions for Chapter: Wastewater Story, Exercise 3: SUMMATIVE ASSESSMENT
Attempt the free practice questions on Chapter 18: Wastewater Story, Exercise 3: SUMMATIVE ASSESSMENT with hints and solutions to strengthen your understanding. Interactive Science 7 solutions are prepared by Experienced Embibe Experts.
Questions from Jhara Roy Solutions for Chapter: Wastewater Story, Exercise 3: SUMMATIVE ASSESSMENT with Hints & Solutions
Solid impurities need not to be removed from water before releasing it into water bodies.
We should dump plastic bags into water bodies.
Cooking oil and ghee from the kitchen should not be thrown in the drain.
Name the dried part of the sludge used as manure.
The closed tank in which separated sludge is decomposed by the action of anaerobic bacteria.
Name the inorganic impurity present in water from the following.
(Amino acid/ Vegetable waste/ Nitrates)
It is used to remove oil or grease floating on water surface.
Name one dangerous water-borne disease out of these two. (Cholera / Dengue)
