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Q. Name of the reagent required for determination of hardness of water sample of complex metric method. Briefly give the function of each reagent used. Ans. Reagents requir
Tests of phenol - Hydrocarbon (a) Aqueous solution of phenol gives a violet colouration with a drop of ferric chloride. (b) Aqueous solution of phenol gives a white precipit
lithium and beryllium markedly different from other members of their respectively groups
Q. What are the Ligands? Ligands: The ions and/or molecules which are directly attached to the central atom/ion are called ligands. A ligand could be an iron, an atom or a ne
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
Which of the sub-shell is circular: (1) 4s (2) 4f (3) 4p (4) 4d Ans: 4s
Equivalent Weight
Sodium alkyl benzene sulphonates Sodium p-dodecyl benzene sulphonate abbreviated as S.D.S. work as a good detergent. It is most broadly used since 1975. These long chai
Calculate the ideal rM/rX ratio for cation-anion and anion-anion contacts of an octahedral arrangement of anions around a cation as show in one plane in the figure below.
GLASS: Glass is amorphous solid which is not true solid, it is rather super cooled liquid which possesses a very high viscosity. It has no fixed melting point, on heating graduall
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