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General Tests on Benzoic Acid (a) It dissolves in hot water but separates out in the form of white shining flakes on cooling. (b) Benzoic Acid evolves CO 2 with sodium bica
'Cohesive energy' : In a chemical bond, it is the energy needed to dissociate a solid into isolated atoms or molecules as appropriate.
Q. Explain about coordination compound? These compounds are usually formed by the donation of pair of electrons to the central metal ion by the group of ions or molecules. The
The present atomic weight scale is based on: (1) C 12 (2) O 16 (3) H 1 (4)C 13 Ans: C 12
Q. What is an Emulsifier? An emulsifier is a compound that contains both polar and nonpolar groups and thus is drawn to the interface between the two phases of an emulsion to
(i) How would you account for the following: (a) The transition elements exhibit high enthalpies of atomization. (b) The 4d and 5d series of the transition metals have more
Q. Describe the foaming properties? Foods like meringue, ice cream and beer contain foams. A number of foods possess good foaming properties on account of the proteins they con
how do we test for functional groups in chemistry lab
Q. Effect of various additives on the stability of egg foam? recognize the different stages in the foam formation, explain the effect of various factors in foam format
CAN SOMEONE PLEASE EXPLAIN TO BE HOW THE LIBERMANNS CHEMICAL REACTION WORKS? I ALSO NEED ALOT ABOUT THE CHEMISTRY BEHIND THE REACTION, AND CANT FIND MUCH ONLINE.. PLEASE HELP ME
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