Advertisements
Advertisements
प्रश्न
Explain why:
Water is an excellent liquid to use in cooling systems.
Advertisements
उत्तर
Water is an excellent liquid to use in cooling systems because of its high specific heat.
APPEARS IN
संबंधित प्रश्न
Freezing mixture contains ............. and .............
The solubility of a gas in water.............. with rise in temperature and.......................with rise in pressure.
Explain how the peculiar variation of density of water with temperature can cause water— pipes to burst in very cold places.
Answer the following question:
Why is acid added to water before electrolysis ?
Explain rain water harvesting.
What is the effect of impurities present in the water on the melting point and boiling point of water?
Select the correct answer of the following statement:
A drying agent placed in desiccator.
From where do the following usually get water? In which form is water present in them?
Aquifer
Why should we not throw cooking oil and fats down the drain?
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.
