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Tests of chloroform
(a) It gives isocyanide test (Carbylamine test).
(b) It makes silver mirror with Tollen's reagent.
(c) Pure Chloroform does not give white precipitate with silver nitrate.
Why a covalent bond is directional? Covalent bond is formed as a result of pairing of two electrons in atomic orbitals of two atoms. Bond then must lie along the direction of
Properties and uses of D.D.T. (i) D.D.T. is approximately insoluble in water although it is moderately soluble in polar solvents. (ii) D.D.T. is a powerful insecticide. It i
Q. Calculate the specific heat of strange metal? Ans. You found a 50.0 sample of an unknown metal while you were scuba diving near the remains of anancient ship wreck. To test
When an electron jumps from L to K shell: (1) Energy is absorbed (2) Energy is released (3) Energy is sometimes absorbed and sometimes released (4) Energy is nei
Q. Explain about Molecular orbital theory? Molecular orbital theory is a completely different approach. It starts with identifying the metal orbitals and the ligand orbitals (h
write 15 separation techniques with one diagram for each
Melting point - physical charterstics of monocarboxylic acids (a) The melting points of carboxylic acids do not change smoothly from one member to other member. (b) The melt
Q. What are natural or synthetic food colours? Food in raw state has a natural colour, which is associated with the characteristics of that food. In the processing, preservatio
deflection balance
state the adverse effect of common air pollution on buildings and health
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