Class 4
EVS :- A River’s Tale - An Overview
Which is the originating area of a river?
Beaches
Mountains
Sea
Dam
What is the color of pure river water?
Green
Blue
No color
Yellow
If factories dump waste water to rivers, what will be water color?
Dark
Bright
Colour Less
Blue
Which of the following helps us to make water safe for drinking?
Adding Chlorine tablets
Adding Detergents
Adding Oil
Adding soap
Which of the following are water soluble?
Sugar
Lemon juice
Salt
All of the above