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2 kg of water is contained in a 2.5 KW electric kittle. Assuring that the heat capacity of the kettle is negligible. Calculate (i) the time taken for the temp of water to rise from 25 degree centigrade to it boiling point 100 degree centigrade. (ii) the mass of the water evaporated per second from the boiling water. S.L.H of ice = 336X10^3J/kg. |
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| asked by pareshghosh71 8 years ago |
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+ 2 more questions by pareshghosh71
50g of steam at 100 degree centigrade is passed into a mixture of 100g of ice and 200gm of water at 0 degree centigrade. Find the rise in temperature. (S.L. H. Of steam = 540 cal/g and Lf of ice = 80cal/g) |
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| asked by pareshghosh71 8 years ago |
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What would be the final temperature of the mixture when .5 g of ice at -10 degree are mixed with 250g of water at 30 degree centigrade? S.H.C of ice 0.5cal/g degree centigrade and S.L.H of ice = 80cal/g. |
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| asked by pareshghosh71 8 years ago |
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Is History and geography compulsory for icse percentage calculation. |
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| asked by Mridul Bagri (mridul2015) 8 years ago |
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I completed my math portion almost twice now and I want to start fresh. any suggestions to concentrate on certain topics? |
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| asked by Guy (devrath) 8 years ago |
3 | + 2 more questions by devrath
how to get full marks in letter writing? |
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| asked by Guy (devrath) 8 years ago |
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how to get a clearshot 80 marks in the board for math?any suggestions? |
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| asked by Guy (devrath) 8 years ago |
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in MOV in act V isnt it necessary to read the beginning part?...i mean those love talks of jessica and lorenzo?or from that part only allusions n d ending part is necessary/? |
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| asked by Sudzzzz.... (omadarsh) 8 years ago |
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Fill in the blanks with the appropriate words.
Do not digress ______ the issue. |
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| asked by Vishwas1 (vishwas1) 8 years ago |
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(History):-Explain the use of device 'Vote on account' ? |
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| asked by Dhoom Sp
(dhoom2016) 8 years ago |
1 | + 1 more questions by dhoom2016
Do we have best 5 or best 6 option this time in icse 2016 ? |
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| asked by Dhoom Sp
(dhoom2016) 8 years ago |
2 |
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How can a magnet be demagnetised using an alternating current? |
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| asked by Nina (ruchika16) 8 years ago |
1 | + 1 more questions by ruchika16
Can someone please explain when does the galvanometer deflect to the left and when does it deflect to the right? |
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| asked by Nina (ruchika16) 8 years ago |
1 |
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Like English is there any format for letter writing in Hindi. If so please tell me? |
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| asked by Rinki Lata (alldbesthappy) 8 years ago |
1 | + 1 more questions by alldbesthappy
In last leaf of English 2, it is not clearly given whether Sue was from Maine or California. In the same way I am unable to know the country from where johnsy belongs?
Please someone who knows the correct answe tell me. |
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| asked by Rinki Lata (alldbesthappy) 8 years ago |
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Can someone explain be the mechanism of urine formation. Not able to understand from the textbook. Thanks. |
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| asked by Aishwary Saxena (aishwary23) 8 years ago |
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state the energy change which takes place when a magnet is moved inside a coil having galvanometer at its ends |
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| asked by Angel k saji (angelksaji) 8 years ago |
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