Advertisements
Advertisements
प्रश्न
State whether the following statement is True or False. If false, give the correct statement.
51% of the earth’s surface is covered with water
पर्याय
True
False
Advertisements
उत्तर
This statement is False.
Explanation:
71% of the earth’s surface is covered with water.
APPEARS IN
संबंधित प्रश्न
Name the gas produced when steam is passed over hot coke.
Give reason of Alcohol is mixed with water and is used in car radiator.
Freezing mixture contains ............. and .............
The solubility of a gas in water.............. with rise in temperature and.......................with rise in pressure.
Give one word for the following statement:
A mixture of common salt and ice .
A captain of ship will tell you that an iceberg is much bigger than it looks. Why is it so ?
Answer the following question:
Why is acid added to water before electrolysis ?
How do fishes and aquatic animals survive when the pond gets covered with thick ice?
Explain why:
Water is an excellent liquid to use in cooling systems.
What is the composition of water? In what volume its elements combine?
Give a balanced equation for the following conversion:
Magnesium bicarbonate in temporary hard water to magnesium carbonate by boiling.
Complete the statement by filling the blank with the correct word from the option.
Solubility of most solids ___ with rise in temperature.
Fill in the blank:
The type of water softened by addition of washing soda is ______.
Give the influence of pressure.
Select the correct word from the words in option to complete the sentence:
If pressure on the surface of water increases its boiling point ____ and freezing point ____.
Give a reason for the following:
Efflorescence is minimum during humid conditions.
_____ is a type of rainwater harvesting.
Rivers from land, add minerals to seawater. Discuss how?
State whether the following statement is True or False. If false, give the correct statement.
Snow and ice both are solid forms of water
Water polluted by various human activities causes a number of water borne diseases. Which of the following is not a water borne disease?
