Veena Tyagi, Dr. Anusmita Goswamy and, Suchandrima Chowdury Solutions for Exercise 3: Think and Answer
Veena Tyagi Science Solutions for Exercise - Veena Tyagi, Dr. Anusmita Goswamy and, Suchandrima Chowdury Solutions for Exercise 3: Think and Answer
Attempt the free practice questions from Exercise 3: Think and Answer with hints and solutions to strengthen your understanding. Pruquest Science.. solutions are prepared by Experienced Embibe Experts.
Questions from Veena Tyagi, Dr. Anusmita Goswamy and, Suchandrima Chowdury Solutions for Exercise 3: Think and Answer with Hints & Solutions
Give the correct purification process for the following. Also, give reason for your choice.
Removing tea leaves from the tea-pot containing tea.
Give the correct purification process for the following. Also, give reason for your choice.
Obtaining salt from seawater.
Give the correct purification process for the following. Also, give a reason for your choice.
Converting pond water into drinking water.
Give the correct purification process for the following. Also, give reason for your choice
Seeds from orange juice.
What is the difference between sedimentation and decantation?
Which is a better method to kill pathogens in water, boiling or chlorination? Why?
Match the following columns.
| Chemicals | Source of water | Usefulness |
| Chlorine | Swimming pool | Kill pathogens |
| Fluorine | Tap water | |
| Ozone | Water fountain | Prevent tooth decay |
| U.V. rays |
