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Q. What is the electromagnetic spectrum? Ans. Light is a very small slice of the electromagnetic spectrum, just the wavelengths that our eyes can see, which range from abo
Caculate the amount of heat energy needed to raise the temp. Of the water in a 40 gal (151-kg) home water heater from 19.o celcius (66.2 f) to 60.00 C (140.f
Coordination number and geometry Binary compounds are ones with two different elements present. 'Simple' crystal structures can be classed as ones in which each atom (or
Q. Explain about Multidentate ligand? A multidentate ligand which combines with a metal ion through two or more atoms on the ligand simultaneously is called a cheldting agent.
verify the law of multiple proportions for an element X, which forms oxides having percentages of X equal to 77.4%, 63.2%,69.6% and 72.0%
What is the purpose of zone refining? In a binary phase diagram (pressure omitted), what is the maximum number of phases which can coexist for at least one degree of freedom?
Saponification value - Analysis of oils and fats It is quantify of fatty acids denote as esters in oils and fats. It is described as the number of milligrams of KOH needed to s
The interionic attraction depends on interaction of: (1) Solute-Solute (2) Solvent-Solvent (3) The charges (4) Molecular proper
Q. Isolation and purification of metals? metals as a group of elements have acquired a unique importance in the modern world. However, nature' does not generally offer us metal
a) Give a chemical test to distinguish between aniline and N-methyl aniline. Draw the structure of XeF2 molecule. b. Write the outer electronic configuration of Cr atom (Z =
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