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Which one of the following groupings represents a collection of isoelectronic species: (1) NA +, Ca 2+ , Mg 2+ (2) N3, F - , Na + (3) be, Al 3+ , Cl -
how to make
Explain with appropriate diagrams the lever rule and Tie-line rule. Compositions of two coexisting phases of a binary system are given by tie-line rule. For overall composition
The phosphate of a metal has the formula MHPO 4. The formula of its chloride would be: (1) MCl (2) MCl 2 (
preparation of hydrogen and hydrogen compounds
The two electrons in K sub-shell will differ in : (1)Principal quantum number (2)Azimuthal quantum number (3)Magnetic quantum number (4)Spin quantum number Ans:Spin
The W-cell consists of a cadmium amalgam anode and a mercury-mercurous sulfate cathode with a saturated cadmium sulfate solution as the electrolyte. This cell has been commonly use
giving correct formulas give the reactantsand products in the formation of poly2 butane
The elements of first transition series from variety of oxides of different oxidation states having general formulae MO, M 2 O 3 , M 3 O 6 , MO 2 , MO 3 . These oxides are gene
Q. Show the chemical properties of Uranium? Uranium is mainly extracted from pitchblende. The concentrated ore (pitchblende, U 3 O 8 ) is washed and then fused with sodium nitr
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