Advertisements
Advertisements
प्रश्न
Why do aquatic animals die in boiled water?
उत्तर
Boiled water is deprived of oxygen i.e. there is no oxygen. For want of oxygen animals die in boiled water.
APPEARS IN
संबंधित प्रश्न
Mark ‘T’ if the statement is true and ‘F’ if it is false:
The freshwater stored in the ground is much more than that present in the rivers and lakes of the world. (T/F)
Explain how groundwater is recharged.
Answer in brief:
How is water in the swimming pool kept free a germ?
Fill in the blank.
Evaporation of rainwater leaves _____residue.
Write True or False for the following statement.
Alum is commonly used for removing suspended impurities
Write a note about the following.
The water cycle
Give two examples.
Weather-related events
Which of the following micro-organisms causes waterborne diseases?
______ is called saline water.
Complete the given table
Form of Water | The process by which formed | Location where found |
(a) Liquid | ||
(b) Solid | ||
(c) Gaseous |