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why a small amount of an acid is added while preparing solution of potassium dichromate?
A copper tube 1 inch in diameter and 2 feet long is filled with steel balls of 1 inch diameter. The space between the balls is filled with water. The specific gravity of steel 7.8.
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.
what is the effectof mesomerism on aromatic compounds.
Smell - Physical characteristics of carbonyl compounds Along with the exception of lower aldehydes that have unpleasant odours, aldehydes and ketones have usually pleasant smel
Determine the architectural units of silicates This common architectural unit (SiO 4 4- ) of silicates is of remarkable stability. The different silicates may be classified
Which electronic level would allow the hydrogen atom to absorb a photon but not to emit a photon Ans) We know the energy of electron goes on to become more negative as it reache
Free radical and Aromatic rearrangement Migration or Rearrangement to free radical species or Free radical rearrangement: Those rearrangement reactions where the migr
hydrogen behave as a metal at low pressure only why
classification of alkenes
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