Water
Water: Overview
This topic covers concepts such as Physical Properties of Water, Removing Temporary Hardness of Water by Boiling, Water Pollution, Potable Water, Forms of Water, Water, Availability of Water on Earth, Hard Water, etc.
Important Questions on Water
Calcium and magnesium ions that cause permanent water hardness can be removed easily by _____.
Baking soda is used to remove permanent hardness of water.
Give a method of removing the permanent hardness of water.
Water is found in all the three states of matter i.e., solid, liquid, gaseous.
Fill in the blank using the right word from the bracket given below.
(three, blue, cloud, ice)
Solid form of water is called _____.
Fill in the blank using the right word from the bracket given below.
(three, blue, cloud, ice)
Water has _____ forms.
How can the temporary hardness of water removed? Explain with the equation.
What will be the consequences of lesser supply of water to plants?
What keeps the total amount of water on the earth constant?
Which of the following statements are correct?
The phenomenon in which millions of tiny droplets collide with one another to form larger droplets that fall down as rain is called:
Which year was observed as the International Year of Freshwater?
Where can the solid form of water be found in nature?
In which form does the water circulate through the water cycle?
