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Q. Illustrate diffrent types of graphs?
Circle graphs a circle graph is utilized to show the parts of a fixed whole. This kind of graph is occasionally called a pie chart because it is a circle divided into wedges that look like pieces of pie. Every wedge represents a percentage of the whole. The whole graph represents 100 percent.
Bar graphs A bar graph is frequently used to show how a quantity varies with location, time or temperature. In this circumstance the quantity being measured appears on the vertical axis. The independent variable time for instance appears on the horizontal axis.
How many ion H2- does have The H2- ion having three electrons. This can be conceived as the combination of a hydrogen atom with a hydride ion (H-). By the aufbau principle, two
Between a proton and electron in a hydrogen atom = 3.16 x 10 47 A 0
Many ionic crystals dissolve in water because: (1) Water is an amphiprotic solvent (2)Water is a high boiling liquid (3) The process is accompanied by a positive heat of
why a small amount of an acid is added while preparing solution of potassium dichromate?
details of adsorption chromatography
Which one of the following is not isoelectronic with O 2- : (1) N- 3 (2) F - (3) Tl + (4) Na + Ans: Tl +
various concepts of acid and base
The wavelength of the radiation emitted, when in a hydrogen atom electron falls from infinity to stationary state 1, would be (Rydberg constant 1.097 x 10 7 m -1 ) (1) 406 nm
The known metal ion solution used contains 0.10 M of each of the six metal ions (i.e. 0.10 M Ag+ and 0.10M Pb2+). An equal volume of 3 M HCl and the known solution are mixed. What
Quantitative analysis by Flame Photometry?
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