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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 CO2 with sodium bicarbonate, that is it gives effervescence with sodium carbonate.
(c) Neutral ferric chloride provides a buff coloured precipitate.
(d) When warmed with ethyl alcohol and a little conc. H2SO4, a fragrant odour of ethyl benzoate is acquired.
(e) While heated strongly along with soda lime, benzene vapours are evolved that are inflammable.
Paired Comparison (Preference) Test In this test the assessor is presented with two coded products and asked to indicate whether there is a preference between them. The test
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describe the steps necessary in preparing a standard solution of 1.0 molar NaOH
How many moles of octane must be burned to release 525.1 kcal ?
#question.which configuration is more stable,p3 or p6
have to submit an assainment
Chain growth or addition polymerisation It includes a series of reaction each of which consumes a reactive particle and generates another similar one. The reactive molecule m
Which of the following sets of orbitals may degenerate : (1) 2s, 2p x , 2p y (2) 3s, 3p x , 3d xy (3) 1s, 2s, 3s
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
Acetic acid has less conductivity, due to it ionizes less in solution. HCl divides almost completely in solution to form the ions Cl- and H+..
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