What is activated sludge?

Important Questions on Wastewater Story

EASY

7th CBSE

IMPORTANT

Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 18 - Wastewater Story>Exercise>Q F

What is meant by clarified water?

MEDIUM

7th CBSE

IMPORTANT

Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 18 - Wastewater Story>Exercise>Q F

What is meant by wastewater treatment plant?

MEDIUM

7th CBSE

IMPORTANT

Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 18 - Wastewater Story>Exercise>Q F

What are contaminants?

MEDIUM

7th CBSE

IMPORTANT

Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 18 - Wastewater Story>Exercise>Q F

What is meant by a 'manhole'?

MEDIUM

7th CBSE

IMPORTANT

Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 18 - Wastewater Story>Exercise>Q G

Why does the speed of the incoming wastewater slow down in grit and sand removal tank?

MEDIUM

7th CBSE

IMPORTANT

Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 18 - Wastewater Story>Exercise>Q G

What is primary sludge? Explain how is it treated.

EASY

7th CBSE

IMPORTANT

Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 18 - Wastewater Story>Exercise>Q G

Name two organic impurities present in sewage.

EASY

7th CBSE

IMPORTANT

Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 18 - Wastewater Story>Exercise>Q G

Name two inorganic impurities present in sewage.