free online chess

Jimmy is playing a chess game with Chris. Which of the following is a possible outcome? => Jimmy winning the game or Playing a chess game or Chris winning the game or Both A & C..

Find the area of a chess board with each black and white square having a side length of 4 cm. Chess board contains 8 squares in a row and 8 squares in a column. => 64 cm 2 or 128 cm 2 or 256 cm 2 or 1024 cm 2..

Jennifer wants to know the favorite outdoor game of her classmates. Which of these is a fair question to ask? => What is your favorite sport? or What is your favorite outdoor game? or Do you like chess or carom? or Which is your favorite outdoor game, football or tennis?..

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Very few metals exist in the free or native state. Only metals like gold, platinum and mercury are occasionally found in the free state i.e., in the pure form. Sometimes, copper and silver may also be found in the free state. Such metals are not acted upon by air or w..

A free radical may be defined as an atom or group of atoms having an unpaired electron. Free radicals are produced during the homolytic fission of a covalent bond. The alkyl free radical may be obtained when free radical chlorine attacks methane...

Between two successive collisions, a molecule moves with uniform velocity. The distance between any two consecutive collisions is called . The average distance traveled by a molecule between successive collisions is called the mean-free path . The molecules do not exert any force of..

Ammonia is present in atmospheric air and in natural water in trace amounts. However in sewage water, it is present in greater proportion. It is also produced by decay of plant and animal tissues. Ammonia is released into the atmosphere by the decomposition of organic wastes of humans. Remem..

These are very reactive species having unpaired electron..

Free Energy and Free Energy Change - Free energy of a system is defined as the maximum amount of energy available to a system during a process that can be converted into useful work. In other words it is a measure of capacity of a system to do useful work. It is denote..