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Purification of organic compounds Several methods are available for the purification of substances. Though, the selection of method, depends upon the nature of substance (if s
Thermosetting polymers - Classification of polymers These are the polymers which go through permanent modification on heating. They get firm and infusible on heating. They are
Q. Hybridisation and the magnetic properties of the complex? Pauling showed that there is a direct correlation between the type of hybridisation and the magnetic properties of
Visualisation of hybrid orbitals -C atomic orbitals Hybrid orbitals are the result of a model which combines atomic orbitals on a single atom in the ways that lead to a new se
Q. Show Multiplying Quantities Written in Scientific Notation? Multiplying Quantities Written in Scientific Notation Solve the following problem. (2 * 10 14 cm) * (9 *
Uses of Acetic anhydride (a) Acetic anhydride is used as an acetylating agent. (b) Acetic anhydride is used for the detection and estimation of hydroxyl and amino group.
effeciency of plate of chromotography
The number of neutron in tritium is : (1) 1 (2) 2 (4) 3 (4) 0 Ans: 2
Q. How can we obtain Pure alumina? Pure alumina is obtained from bauxite ore. Powdered bauxite mineral is heated in a concentrated solution of sodium hydroxide under pressure w
Q. Analysis of water gave the following results H 2 SO 4 = 196Mg/L; MgSO 4 = 24Mg/L, CaSO 4 = 272Mg/L and NaCl = 25Mg/L. Water is to be supplied to the town of the popul
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