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Arif Raza asks : Dear tcy online, There was a paragraph in my science book,defining the term `MELTING POINT`,and i have some confusion regarding it,please answer the question after reading the para~~~~ MELTING POINT~ When ice is mixed with pottasium nitrate, it`s melting point decreases to about -3`o celcius. this implies that now ice does not melt at 0`celcius but last longer.this techinque is used by ice-cream vendor`s to retain ice in their trolleys for a longer time and prevent the ice-cream from melting. A similar reduction in the normal melting point of ice is also observed when common salt or ammonium nitrate is added to it. this fact is made use of, for clearing snow from roads and pavements on hill stations during winter. And now my question-- Q-How is it possible that the impurity will help in keeping the ice-cream for longer time,if it also help`s in clearing snow?please explain it briefly...

Tag : term,snowplease,vendor,trolleys,time,winter,techinque,timeif,stations

Category : NTSE / Olympiad | On : 10/10/2008 05:12:56

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Kanhaiya singh says :

22/08/2010 11:25:22

It is the temperature at which a particular solid substance starts converting into its liquid form.

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Lokeshjain asks : Dear TCY online i need some general awareness files.there are many but very few with u as author..can u please upload some files

Tag : awarene,dear,upload,online,general,author,files

On : 15/12/2008 04:05:37

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Ramveer Choudhary asks : dear sir i am geting 60 marks in cat and 1.6 years exp in production in vedanta and i am B.sc. i am intrested mba in marketing or finance .pls tell me which college should me apply.

Tag : marketing,intrested,vedanta,finance,dear,college,marks,production,years,geting

On : 22/12/2008 11:24:55

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Sarmistha goswami deshmukh says :

02/01/2009 12:11:05

Hi, You can apply for the following colleges: Alliance/Asia Pacific/EMPI/NDIM

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Seema Navale asks : Dear Sir, are these tests free or have rating

Tag : dear,free,rating,tests

On : 03/01/2009 09:54:11

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Sarmistha goswami deshmukh says :

05/01/2009 05:41:02

Hi, The tests are free. You need to rate them on the basis of certain criteria art the end of the test before you the evaluation.

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Deepak Kumar asks : dear sir i want to in international call centre,but my english is no so good,as well as my communication skill ins no good.how can i improve, plz tel me.

Tag : call,english,good,skill,goodas,improve,dear,centrebut,communication,international

On : 24/03/2009 10:31:51

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