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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.
importance of a heat exchanger in a chemical process and mention the different types of heat exchangers
Q. What do you mean by Homologous Series? Ans. How can we adequately learn about carbon compounds when there are so many of them? The answer lies in grouping similar c
How many electrons can be accommodated in a sub-shell for which n=3, l=1: (1) 8 (2) 6 (3) 18 (4) 32 Ans: 6
Which of the following compounds is ionic: (1) Kl (2) CH 4 (3) Diamond (4) H 2 Ans: Kl
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 one is most stable form of 1,3 Di tertiary butyl cyclohexane?
Bond-line Notation of organic compounds Occasionally, the bonds in between carbon atoms are denoted by lines. For instance, n -hexane has a continuous chain of six carbon atom
how to find atomicity of an element?
Evaluation of food quality A common practice employed to evaluate the shelf life of a given food product is to determine changes in selected quality characteristics over a per
Principle of chromatography - Purification of organic compounds The method of chromatography is based on the difference in the rates at which the components of a mixture move t
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