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Recent content by sachinkhanal

  1. S

    Chemistry Marking scheme

    there are many of those . how can i know about the marking scheme of the particular year ??
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    Chemistry Marking scheme

    2002 to 2010
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    Chemistry Marking scheme

    Can any members provide me the link for Marking scheme ko chemistry P1.. please hurry if anyone can . i really need it now .. help make sure it does work , and i dont have to search it from the site you provide thankyou
  4. S

    Tough as Physical chemistry

    Percentage yeild . 1.From 23g of ethanol are obtained 36 g of ethyl ethanoate by estericication with ethanoic acid in the presence of concentrated sulphuric acid. What percentage yeild of the reaction ? Explain me how to do bro , iim totally weak to these problems .. I am totaly confuse in...
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    Tough as Physical chemistry

    i am not getting mol concept , i know all the formulas but not sure to use them at all .. Please make me clear about the concerntration and molar volume , relative molar mass and soo on , can you suggest and example to make me clear about those stuffs ? Please do it .. i have an internal exam on...
  6. S

    Chemistry Please slove as soon as you can .. please help me

    Re: Chemistry Please slove as soon as you can .. please help mole = 3 x10^-23 and Mr=200 , Find the molecules bro can you do this too me too ?
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    Chemistry Please slove as soon as you can .. please help me

    n the absense of catalyst ,ammonia burns in an excess oxygen to produce steam and nitrogen.what is the volume of oxygen remaining when 60 cm ^3 of ammonia is burnt in 100 cm^3 of oxygen :all volumes being measured at same temperature and pressure options a) 52 cm^3 b) 35 cm^3 c) 40 cm^3 d)...
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    Computing books

    Can anyone suggest me the site for computing e-book ? I am from Nepal and we've not got our computing books yet and not till next august . And we have to study by references books .. Please help me for 2012 computing online books . Thanks
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    Tough as Physical chemistry

    These days among many subject i am having a bit problem in Physical chemistry . I am not being able to solve the physical and numerical problems of chemistry , Is there any senior member making me little clear about using Molecular functions formula in a particular way ?? Help me seniors
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    Physics AS/A2 Thread

    Terminal velocity Today in our class our subject teacher asked Us about terminal velocity , We answer what we read last year but then he said us to explain the same in such a way so that an illiterate can get it .. Can any of you define or explain about terminal velocity ? Please reply soon...
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    hello members

    hello all , I am new AS level student from Nepal . Physics, chemistry and Maths are my major subject and i need to work hard on my Mathematics so please everyone help if i will have any kind of problem regarding these subjects . Thank you for your support members . I got to know...
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