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Caesiurn chloride crystallises as a body centred cubic lattice and has a density of 4.0 g cm-3. Calculate the length of the edge of the unit cell of caesium chloride crystal.
[Molar mass of CsCI = 168.5 g mol-1 , Na = 6.02 x 1023 mol-1]
How much air (volume composition: 21% of oxygen and 79% of nitrogen) is used up in this process? Assume that oxygen and nitrogen behave like ideal gases. The products a
A copper tube 1 inch in diameter and 2 feet long is filled with steel balls of 1 inch in diameter. The space between the balls is filled with water. The specific gravity of steel i
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IUPAC name is given to compounds. Carbon is an element so it will bw called as carbon only. eg. hydrocarbons - CH4=methane C2H6=Ethane
how can be synthesise active methylene group contining compound
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The radius of which of the following orbit is same as that of the first Bohr's orbit of hydrogen atom: (1) He + (n= 2) (2) Li 2+ ( n= 2) (3) Li 2
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