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The Ca 2+ and Mg 2+ ions in hard water form scum with soap. Therefore they don''t form lather and therefore don''t clean the dirt.
This is an example of pinacone pinacone rearrangemnt acetone with Mg and H2O forms 2,3 Dimethylbutane2.3 diol which on reacting with H+ from forms first a carbocation on carbon 2
If molecular mass and atomic mass of sulphur are 256 and 32 respectively, its atomicity is: (1) 2 (2) 8 (3 )4 ( 4)16 Ans: 8
Consider 1:1 stoichiometric polymerisation of 1, 4-diaminobutane with sebacoyl chloride. (a) Write down a balanced chemical equation for the polymerization (b) Name the polym
a. How can a colloidal solution and true solution of the similar colour be distinguished from each other? b. Give four applications of adsorption
Ionic compounds do not have: (1) Hard and brittle nature (2) High melting and boiling point (3) Directional properties (4) Soluble in polar solvents Ans: Direction
On mixing acetone and chloroform, a reduction in total volume occurs. What kind of deviations from ideal behavior for solutions is given in this case and why?
Alkaline earth metals: The elements Be, Mg, Ca, Sr, Ba and Ra belong to II A group. 2. II A group elements are also called alkaline earth metals. 3. The valence electron
determination of lattice energy
Cyclic hydrocarbons - IUPAC system of nomenclature These compounds consist of carbon chain skeletons that are closed to form rings. The saturated hydrocarbons along with ring o
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