Advertisements
Advertisements
प्रश्न
Give reason of Alcohol is mixed with water and is used in car radiator.
उत्तर
Alcohol is mixed with the water used in car radiators to prevent it from freezing ki cold weather. Because it lowers the freezing point of water.
APPEARS IN
संबंधित प्रश्न
Give reason of Icebergs float on ocean water.
Explain how the peculiar variation of density of water with temperature can cause water— pipes to burst in very cold places.
What are its causes and how can water pollution be controlled ?
What do you understand by permanent hardness?
What do you understand by soft water?
_____ is a type of rainwater harvesting.
From where do the following usually get water? In which form is water present in them?
Clouds
Why should we not throw used tea leaves into the sink?
Fill in the blanks in the following statements using words given in the box.
air, handpumps, cholera, water, large, ground
A very _________ number of our people defecate in the open. It may cause _________ pollution and soil pollution. Both the surface water and _________ water get polluted. _________ water is the source for wells, tubewells and _________. Thus it becomes the most common route for _________ borne diseases like _________, dysentery, etc.
Dissolve two spoons of common salt in half a cup of water. Now if you want to get the salt back, what will you do?
