Advertisements
Advertisements
प्रश्न
Why should we not throw cooking oil and fats down the drain?
Advertisements
उत्तर
Cooking oil and fats should not be disposed of off down the drains as these get harden and block pipes. They reduce the flow of water and result in stagnant water, which provides a breeding ground for mosquitoes and flies and spreads infectious diseases.
APPEARS IN
संबंधित प्रश्न
Cleaning of water is a process of removing ______.
State the importance of water cycle in nature.
Name the two gases from which water is formed. What is the chemical composition of these two gases in water ?
What is metal activity series ?
What are the main causes of water pollution ? How can it be controlled ?
Give reason of Alcohol is mixed with water and is used in car radiator.
The solubility of a gas in water.............. with rise in temperature and.......................with rise in pressure.
Give one word for the following statement:
Water fit for human consumption .
The ultimate source of all water on the earth is
What are its causes and how can water pollution be controlled ?
How are clouds formed?
What is the effect of impurities present in the water on the melting point and boiling point of water?
Explain why:
Air dissolved in water contains a higher proportion of oxygen.
Compare the effect of soaps and detergents on hard water.
Complete the statement by filling the blank with the correct word from the option.
Solubility of most solids ___ with rise in temperature.
What is meant by the term ‘oil spill’?
Select the correct word from the words in option to complete the sentence:
Dissolved air in water contains a ____ percentage of oxygen than ordinary air.
Write a few slogans of your own on the topic “Save Water”
State whether the following statement is True or False. If false, write the correct statement.
Ice is solid whereas snow is the semi-solid form of water
Complete the following chart by writing appropriate words in the boxes marked (a) to (e).
