Kaivalanth

Kashika Jain

Asked: November 25, 2020In: Class 7 Science

Explain the relationship between sanitation and disease.

NCERT Solutions for Class 7 Science Chapter 18 Important NCERT Questions 7th Chapter 18 Wastewater Story NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 9

Kashika Jain

Asked: November 25, 2020In: Class 7 Science

Explain the function of bar screens in a wastewater treatment plant.

NCERT Solutions for Class 7 Science Chapter 18 Important NCERT Questions 7th Chapter 18 Wastewater Story NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 8

Kashika Jain

Asked: November 25, 2020In: Class 7 Science

Name two chemicals used to disinfect water.

NCERT Solutions for Class 7 Science Chapter 18 Important NCERT Questions 7th Chapter 18 Wastewater Story NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 7

Kashika Jain

Asked: November 25, 2020In: Class 7 Science

Untreated human excreta is a health hazard. Explain.

NCERT Solutions for Class 7 Science Chapter 18 Important NCERT Questions 7th Chapter 18 Wastewater Story NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 6

Kashika Jain

Asked: November 25, 2020In: Class 7 Science

What is sludge? Explain how it is treated.

NCERT Solutions for Class 7 Science Chapter 18 Important NCERT Questions 7th Chapter 18 Wastewater Story NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 5

Kashika Jain

Asked: November 25, 2020In: Class 7 Science

Describe the steps involved in getting clarified water from wastewater.

NCERT Solutions for Class 7 Science Chapter 18 Important NCERT Questions 7th Chapter 18 Wastewater Story NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 4

Kashika Jain

Asked: November 25, 2020In: Class 7 Science

Why should oils and fats be not released in the drain? Explain.

NCERT Solutions for Class 7 Science Chapter 18 Important NCERT Questions 7th Chapter 18 Wastewater Story NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 3

Kashika Jain

Asked: November 25, 2020In: Class 7 Science

What is sewage? Explain why it is harmful to discharge untreated sewage into rivers or seas.

NCERT Solutions for Class 7 Science Chapter 18 Important NCERT Questions 7th Chapter 18 Wastewater Story NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 2

Kashika Jain

Asked: November 25, 2020In: Class 7 Science

Fill in the blanks: Drains get blocked by and .

NCERT Solutions for Class 7 Science Chapter 18 Important NCERT Questions 7th Chapter 18 Wastewater Story NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 1 Part: d

Kashika Jain

Asked: November 25, 2020In: Class 7 Science

Fill in the blanks: Dried ____________ is used as manure.

NCERT Solutions for Class 7 Science Chapter 18 Important NCERT Questions 7th Chapter 18 Wastewater Story NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 1 Part: c

Kaivalanth

Explain the relationship between sanitation and disease.

Explain the function of bar screens in a wastewater treatment plant.

Name two chemicals used to disinfect water.

Untreated human excreta is a health hazard. Explain.

What is sludge? Explain how it is treated.

Describe the steps involved in getting clarified water from wastewater.

Why should oils and fats be not released in the drain? Explain.

What is sewage? Explain why it is harmful to discharge untreated sewage into rivers or seas.

Fill in the blanks: Drains get blocked by and .

Fill in the blanks: Dried ____________ is used as manure.

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