Tiwari Academy Discussion

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

Kashika Jain

Asked: November 25, 2020In: Class 7 Science

Fill in the blanks: Wastewater released by houses is called ____________.

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: b

Kashika Jain

Asked: November 25, 2020In: Class 7 Science

Fill in the blanks: Cleaning of water is a process of removing _________.

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: i

Rachana

Asked: November 22, 2020In: Class 8 Science

Why does the increased level of nutrients in the water affect the survival of aquatic organisms?

NCERT Solutions for Class 8 Science Chapter 18 Important NCERT Questions 8th Chapter 18 Pollution of Air and Water NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 11

Rachana

Asked: November 22, 2020In: Class 8 Science

Describe the threat to the beauty of the Taj Mahal.

NCERT Solutions for Class 8 Science Chapter 18 Important NCERT Questions 8th Chapter 18 Pollution of Air and Water NCERT Books for Session 2022-2023 CBSE Board and State Board Questions No: 10

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.

Fill in the blanks: Wastewater released by houses is called ____________.

Fill in the blanks: Cleaning of water is a process of removing _________.

Why does the increased level of nutrients in the water affect the survival of aquatic organisms?

Describe the threat to the beauty of the Taj Mahal.

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