Andhra Pradesh Board Solutions for Exercise 3: EXERCISE

Author:Andhra Pradesh Board

Andhra Pradesh Board Science Solutions for Exercise - Andhra Pradesh Board Solutions for Exercise 3: EXERCISE

Attempt the practice questions from Exercise 3: EXERCISE with hints and solutions to strengthen your understanding. Science Class VII solutions are prepared by Experienced Embibe Experts.

Questions from Andhra Pradesh Board Solutions for Exercise 3: EXERCISE with Hints & Solutions

EASY
7th Andhra Pradesh Board
IMPORTANT
Science Class VII>Chapter 14 - Water Too Little to Waste>EXERCISE>Q ●

What changes did you observe in the appearance of waste water after aeration? Did aeration change the odour of the water?

MEDIUM
7th Andhra Pradesh Board
IMPORTANT
Science Class VII>Chapter 14 - Water Too Little to Waste>EXERCISE>Q ●

By adding Chlorine to aerated and filtered waste water, what changes do you observe? Did Chlorine have an odour? Was it worse than that of the waste water?

MEDIUM
7th Andhra Pradesh Board
IMPORTANT
Science Class VII>Chapter 14 - Water Too Little to Waste>EXERCISE>Q ●

Write two points each of similarities and of differences between the Aeration and Chlorination involved in the waste water treatment plant.

EASY
7th Andhra Pradesh Board
IMPORTANT
Science Class VII>Chapter 14 - Water Too Little to Waste>EXERCISE>Q ●

What is the use of bar screen at sewage treatment plant?