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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.
what is the empirical formula of a compound that contains 53.73% iron and 46.27% sulphur?
Although fractose does not have an aldehydic group, it reacts with Fehling solution Explain why? Ans) Fructose is a ketone first we cnvert it into aldehyde by reacting fructse
what is the mathematical form of pair of compounds have antifluorite structure ?
Q. Explain about Structural Isomerism? When two molecules have the same atoms but different bonds, they are called structural isomers. Thus, the variation of bond type or multi
Find the number of degrees of freedom? Consider a single-phase system that is a gaseous mixture of N 2 , H 2 , and NH 3 . For each of the following cases, find the number of de
The π electrons of a conjugated molecule can be modeled as a particle in a box where the box length is a little more than the length of the conjugated chain. The Pauli exclusion pr
What are electrons
The first use of quantum theory to explain the structure of atom was made by: (1) Heisenberg (2 )Bohr (3) Planck (4) Einstein Ans: Bohr
What is T in the indicator Eriochrome Black-T used for the determination of hardness of water?
If n+l= 6 , then total possible number of subshells would be: (1) 3 (2) 4 (3) 2 (4) 5 Ans: 3
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