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(a) Starting from a sample of chromate ore, how is potassium dichromate prepared? Explain all the steps included with chemical equations.
(b) Write the balanced chemical equation for the reaction among an acidified solution of potassium dichromate and potassium iodide.
get calcium EDTA from disodium EDTA and calcium which in complexomteric reaction. how mechanism of making ??
It is a part of chemistry which deals with the organic compounds formed by carbon , hydrogen ,oxygen.
Nitrite rubbers (Gr-A or Buna-N or NBR): Nitrite rubber is prepared by the copolymerization of butadiene and acrylonitrile in emulsion systems. Properties: 1.
A Tris buffer at pH 6.0 (here "Tris" is a nickname use for Tris hydroxymethyl amino methane). For the given pK A table is Tris a compound you would select for a buffer at pH 6.0?
Mesomeric forms are the possible locations of electrons at a single instant, if you get what I mean. Like, an adjacent double and single bond in a molecule. The resonance form, how
what is the atomic weight of oxygen
Most of the transition metal do not displace hydrogen from dilut acid. why? Ans) The activity series of transition metals is less than that of hydrogen so they can not displace h
Boiling point - physical charterstics of monocarboxylic acid Boiling point of carboxylic acids is rise constantly with increase of molecular mass. Boiling points of carboxylic
TRANSITION ELEMENTS-MEANS?
what is the meaning of solution
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