CHEMISTRY (CLASS-IX)   Chapter-1:(Matter in Our Surroundings)     Matter may be defined as anything that occupies space, possesses mass and presence of which can be felt by any one or more of our five senses (i.e. sight,…

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CHAPTER Chemical Reactions and Equations 1   Chemistry is defined as that branch of science which deals with the composition and properties of matter and the changes that matter undergoes by various interactions. A chemical compound is formed as a…

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COMBUSTION AND FLAME   In villages, people generally use wood or cowdung cakes or crop residues to cook food. In towns, people use kerosene oil or coke to cook food. In cities, people use LPG gas. For running light vehicles,…

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INTRODUCTION   You have already studied about elements as being pure substances that each are made up of one kind of atoms only. For convenience of study, these elements are divided into two broad classes: Metals and non-metals. This division…

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  financial accountInG (class-xIi)   Chapter-2  GOODWILL : Nature and valuation   Meaning of Goodwill/Definition Goodwill is the present value of expected future income in excess of a normal return on the investment. According to Lord Eldon “Goodwill is nothing…

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  I        Straight line method / Fixed installment Method / Original Cost Method / Equal Installments Method. Q.1    Ankit limited purchases a machine for ` 5, 00,000. Its estimated life is 5 Years after which it has no scrap value.…

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  Q.1    Identify which of the following is NPO? i) Panchsheel club. ii) Stephen’s Hospital, Delhi. iii)      Maharaja Agrasen Hospital iv) Delhi Public School v) Apollo Hospital Library vi) Delhi Public Library vii)     Gymkhana Club viii)    Golf Club ix)…

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