Management—Art, Science or Profession A question is often raised as to whether management is an art, a science, a profession or all the three. This question has been discussed here to explain the nature of management.
Essay on Is the Nation-State Dying Out? . The global village is a term in current usage that is acquiring the quality of a cliché. Indeed, in many ways, national boundaries have become irrelevant.
Hundred of years ago, there ruled a king over a vast and rich empire. Peace and prosperity reigned in his kingdom. His ministers were all wise and learned men. His chief ministers were the wisest of them all and he always gave sound advice to the king. The king’s prosperity was largely due to the Chief Minister’s advice.
We stand today at the edge of space exploration, dreaming of things to come, and one of them could be the development of Mars as another green planet.
Solubility of a substance is defined as mass of the solute in grams which dissolves in 100g of a solvent to form a saturated solution. For example, 100g of water at 25° C can dissolve 36.5 g of sodium chloride to obtain a saturated solution.
A solution is obtained when a substance is dissolved in another substance. The substance which is dissolved to obtain a solution is called solute, whereas the substance in which the solute is dissolved is called solvent.
A mixture is that form of matter in which two or more substances (elements or compounds) are present in any proportion. A mixture may be homogeneous or heterogeneous depending upon the substances present therein.
Elements are the basic constituents of all matter. An element is the simplest form of matter, which cannot split into simpler substances by any chemical or physical method.