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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.
which compounds will dissolve in alkaline solution after it has undergone reaction with hinsberg reagent
What is the use of bhc
what are the topics which are covered under the assignment of de broglie hypothesis?
Al is used as reducing agent for the extraction of metals such as Chromium,Monganes.Explain why? Solution) Al3+ + 3 e- Al Good reducing agents like aluminum have relatively
Initially 5 mol of an ideal gas with Cv,m=12.5 J K^-1 mol^-1 are at a volume of 5 dm^3 and a temperature of 300K. If the gas is heated to 373 K and the volume changed to 10 dm^3, w
If hydrogen atom is in an energy level represented by n=4,how many spectral lines are possible in its emission spectrum? Ans) There is a formula for this i.e [ (n 2- n 1 +1)
Q)why is the extraction of copper from pyrites more difficult than that from its oxide ore through reduction? Ans) The Standard free energy of formation of Cu2S is greater than
Uses of Polyglycolic acid,Polylactic acid and Polyhydroxybutyrate PGA and PLA (90 : 10) is utilized to form absorbable structure to close an internal of external wound and has
Which of the following compound has electrovalent linkage: (1) CH 3 Cl (2) Nacl (3) CH 4
Solvay process
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