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Condensation with formaldehyde - Miscellaneous reactions
Phenol condenses with formaldehyde (excess) in presence of sodium hydroxide or acid (H+) for about a week to form a polymer known as bakelite (a resin).
Q. What is a trained sensory panel? A sensory panel is the panel of members of which are capable of giving high reliability of judgements, independent of psychological factors
Define Colligative Properties of A Dilute Solution? The colligative properties of a solution are usually considered to be: 1. Freezing-point depression: the decrease in the
What does this mean? H+/H2O
Vulcanization of rubber The procedure of heating natural rubber with sulphur to enhance its properties is known as vulcanization. Vulcanization was illustrated by Charles Goody
Conformation energy profile for butane Conformation energy profile for butane C2-C3 bond rotation
Hyperconjugative effect While a H-C bond is attached to an unsaturated system like double bond or a benzene ring, the sigma (σ) electrons of the H-C bond interact or enter into
sir plz tell me about fiehes test procedure for honey in detail...
What is +M and -M effect?
synthesis of di and tri substituted benzenes(symmetrical tribromo benzene, 2-amino-5methylphenol, 3-nitro-4-bromobenzoic acid, 3,4-dibromonitrobenzene, 1,2,3-trimethyl benzene) sta
Physical Properties of Benzoic Acid (a) Benzoic Acid is a white crystalline solid. (b) Benzoic Acid has m.p. 394 K. (c) Benzoic Acid is sparingly soluble in cold water bu
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