EASY
7th CBSE
IMPORTANT
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Solid waste extracted from sewage treatment plants to be used as manure is called

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Important Questions on Wastewater Story

EASY
7th CBSE
IMPORTANT
Interactive Science 7>Chapter 18 - Wastewater Story>SUMMATIVE ASSESSMENT>Q 7
Which of the following is not a part of waste water treatment plant?
EASY
7th CBSE
IMPORTANT
Interactive Science 7>Chapter 18 - Wastewater Story>SUMMATIVE ASSESSMENT>Q 8
Untreated sewage contaminates.
EASY
7th CBSE
IMPORTANT
Interactive Science 7>Chapter 18 - Wastewater Story>SUMMATIVE ASSESSMENT>Q 9
Which of the following is a biodegradable waste?
EASY
7th CBSE
IMPORTANT
Interactive Science 7>Chapter 18 - Wastewater Story>SUMMATIVE ASSESSMENT>Q 10
Chlorination is done during?
EASY
7th CBSE
IMPORTANT
Interactive Science 7>Chapter 18 - Wastewater Story>SUMMATIVE ASSESSMENT>Q 1
Plants can survive on impure water.
EASY
7th CBSE
IMPORTANT
Interactive Science 7>Chapter 18 - Wastewater Story>SUMMATIVE ASSESSMENT>Q 2
After the primary treatment, water is still impure.
EASY
7th CBSE
IMPORTANT
Interactive Science 7>Chapter 18 - Wastewater Story>SUMMATIVE ASSESSMENT>Q 3
Solid impurities need not to be removed from water before releasing it into water bodies.
EASY
7th CBSE
IMPORTANT
Interactive Science 7>Chapter 18 - Wastewater Story>SUMMATIVE ASSESSMENT>Q 4
We should dump plastic bags into water bodies.