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The Questions and Answers of During summer, water kept in an earthen pot becomes cool because of the phenomenon ofa)diffusionb)transpirationc)osmosisd)evaporationCorrect answer is option 'D'. Can you explain this answer? are solved by group of students and teacher of Class 9, which is also the largest student community of Class 9.
the water kept in earthen pot becomes cool during summer because it is made from mud.and thus having many pores in it.the air cavities provide kinetic energy to the water molecules.the water molecules takes more kinetic energy from the water kept in the pot. and thus helping them to get vapourised.the vapours escape from the pores in the pot.in this way,water kept in earthen pots become cool ...
2. During hot summer days, water is usually kept in an earthen pot called picture or Matka to keep it cool.Water is usually stored in an earthen pot called pitcher or Matka for cooling during hot summer days. The earthen pot has in its walls a large number of extremely small pores, or hole. Some of the water continuously passes through these ...
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Boiling is the safest method of treating water. In a large pot or kettle, bring water to a rolling boil for 1 full minute, keeping in mind that some water will evaporate. Let the water cool before drinking. Boiled water will taste better if you put oxygen back into it by pouring the water …
How does the water kept in an earthen pot (matka) become cool during summer? Answer: The earthen pot is porous with lot of pores on it, the water oozes out through these pores and the water gets evaporated at the surface of the pot thereby causing cooling effect. This makes the pot cold and the water inside the pot cools by this process.
Mar 18, 2018· Fully explained How does the water kept in an earthen pot(matka) becomes cool during summer? (NCERT/class 9th/Science/chapter 1/ page no. 10/ question no.2)
An earthen pot has minute pores all across its surface. Water keeps coming out of these pores. This water absorbs heat from the pot and evaporates. Consequently, the water present inside the pot remains cool also earthen pot become cool in summer because , during summer evaporation increase so it evaporates taking latent heat .
earthen pot stored water from the communities. Faecal coliform values ra nged from 0 to 2.91 x 10 2 cfu / 100 ml with a mean of 3.7 x 10 1 cfu/ 100 ml
A pot-in-pot refrigerator, clay pot cooler or zeer (Arabic: زير ) is an evaporative cooling refrigeration device which does not use electricity. It uses a porous outer clay pot (lined with wet sand) containing an inner pot (which can be glazed to prevent penetration by the liquid) within which the food is placed. The evaporation of the outer liquid draws heat from the inner pot.
Apr 11, 2018· Matka means earthen pot. Which is made up of soil. There are plenty of mini pores in the structure of matka which plays main role in cooling process. The water get evoporate through pores. Heat is also evoporate through the water. And water become...
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The water kept in an earthen pot remain cool even in summer because earthen pot has many small holes. Water seeps out through them and evaporates from the surface of the pot. The energy needed for evaporation is taken from the water kept in the earthen pot. As a result, water kept in earthen pot become cool.
A suction mechanism attached in the pot sucks water at the rate which is also proportional to volume of water in the pot. Without evaporations, half of the water kept in pot is sucked in 24 hr The pot is filled with 16 kg of water, with evaporation and suction acting simultaneously , what amount of water (in kg) will be left is pot after one day.
The only way the water oozing out of the matka can turn to vapour is by absorbing heat from the liquid within the matka and the matka itself. Due to this process of continuous absorption of heat from the water inside the matka, in a few hours, this water becomes cool. Why Does Water stay Cool in ‘Matkas’ (earthen clay pots)?
An earthen pot or a matka is porous in nature. Water placed in earthen pots is evaporated from minuscule pores it has as it is made of mud particles. This evaporation of water produces a cooling effect. Some of the heat energy that is generated is used in the process of evaporation. Hence, water stored in earthen pots tends to become cooler in ...
Jun 03, 2008· Unlike metal containers earthen pot has pores on the container walls through which water particles evaporate. This not only provides a large amount of extra area other than the surface of water for evaporation, but also prevents absorption of heat from the container walls. therefore water kept in earthen pot become cool during summer. B.M.ACHARYA
Nov 21, 2016· Earthen pot has a lot of small pores on it through which small quantity of water moves in by surface tension, which moves to the surface of the pot and evaporates, this process carries away heat to the surface and from there to circulating air which helps in keeping the water cool inside the earthen pot.
Question 2. How does the water kept in an earthen pot (matka) become cool during summer? Answer: The water kept in an earthen pot (matka) becomes cool during summer because of the evaporation of water through the fine holes in the earthen pot which makes it cool.
May 12, 2020· Boiling is the safest method of treating water. In a large pot or kettle, bring water to a rolling boil for one full minute, keeping in mind that some water will evaporate. Let the water cool before drinking. Boiled water will taste better if you put oxygen back into it by pouring the water back and forth between two clean containers.
(d) During summer, water kept in an earthen pot becomes cool because of the phenomenon of evaporation. Earthen pot has a large number of tiny pores in its walls and some of the water molecules continuously keep seeping through these pores to outside the pot.This water evaporates continuously and take the latent heat required for vaporisation from the remaining water.
how does the water kept in an earthen pot become cool during summer - Chemistry - TopperLearning.com | lmp5kqvyy
If that happens, it would help keep the earthen pot cool. Since the water evaporates, by Le Chatelier's principle, the reaction equilibrium gets a strong forward push and the water keeps evaporating.  This seems like the weakest part of the argument. It would be interesting if …
You know water evaporates – that’s when it turns from a liquid to a gas. You probably also know that a hot pot of water will cool off in part because of evaporation. However, did you know that ...
Some of the water kept in the earthern pot continuously keeps seeping through these pores to the outside of the pot. This water evaporates (changes into vapour) continuously by taking the latent heat of vaporisation from the earthen pot and the remaining water.
Oct 12, 2019· How does the water kept in earthen pot become cool during summer? 2 See answers sb1051 sb1051 Answer: because. during summers, it is very hot.There are small pores present in the earthen pot.so when the sun rays fell on the pot, the hot water which is near the edge gets evaporated by latent heat off vapourization and by this water remains cool.
The earthen pot is porous with lot of tiny pores on it , the water oozes out through these pores & the water gets evaporated at the surface of the pot thereby causing cooling effect.
Apr 24, 2017· During such times, you can t depend on the fridge for a bottle of cool water to quench your thirst. Storing water in clay pots is, therefore, a cost-effective and eco-friendly solution.
Feb 18, 2019· A glass of water from the freezer can never beat the satisfaction of drinking water from an earthen pot. We Indians especially believe in this statement, which even I feel is very true. The water inside the clay pot is cool due to the evaporation process.
14. How does the water kept in an earthen pot (matka) become cool during summer? During summer water is kept in earthen pot to keep it cool because earthen pot has a number of fine pores all around. Water comes out through these pores and changes into vapour by taking heat from the inner water. With the result, the water inside the matka gets ...