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copper reacts with oxygen to form two oxide X and Y .On analysis 1.535g of X yielded 1.365g of copper and 1.450g of Y yielded 1.160g of copper. [I] determine the chemical formula o
Q. Explain the Heating curve for water? Ans. When a substance is heated, it undergoes several phase changes. A heating curve is a diagram which illustrates the phase chan
0.205g of a metal on treatment with dilute acid gave 106.6ml of hydrogen collected over water at 755mm pressure and 17 degree Celsius. calculate the equivalent mass of the metal. (
For principle quantum numbern= 4 the total number of orbitals having l=3: (1) 3 (2) 7 (3) 5 (4) 9 Ans: 7
Write the neutral calcium atom has a number The neutral calcium atom has a number of valence electrons euivalent to its group number, that is 2.
which element have highest oxidation number and why?
discuss importance of distribution ratio
pplications of radiotracers in analytical mathods
#most wanted question..
Q. Show the Colour of actinides and lanthanides Ions? Ions of actinides and lanthanides are coloured in the solid state as well as in aqueous solution, as is the case with the
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