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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. Describe Sulphurous Acid ? Sulphurous acid H 2 SO 3 is known only in solution. It exists mainly as a hydrate of sulphur dioxide SO 2 . 7H 2 O two series of salts the bisulp
Briefly tell me about chemical combination and its laws
Q. Explain the Heating curve for water? Ans. When a substance is heated, it undergoes several phase changes. A heating curve is a diagram which illustrates the phase chan
how original solution is prepared in case of 1st group of basic radical
Explain the Effects of Temperature on multicomponent systems? For some of the derivations in this chapter, we will need an expression for the rate at which the ratio μ i /T var
For a particle confined to a one-dimensional box of length L, determine the probability that the particle is in the central third of the box (the middle section when the box is div
Q. Describe properties and uses of different silicate glasses and also discuss the importance of annealing in the manufacture of glass.
Why Formal charge does not give an accurate picture Formal charge does not give an accurate picture, due to O is more electronegative than H; most of the positive charge is rea
what is radiometric titration
conclusion for the project
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