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Analytical chemistry, Chemistry
What is T in the indicator Eriochrome Black-T used for the determination of hardness of water?
Posted Date: 4/4/2013 1:26:27 AM | Location : USA
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Determine element that mass number of anion is given, The mass number of an...
The mass number of an anion, X 3- is 14. If there are ten electrons in the anion, the number of neutrons in the nucleus of atom, X 2 of the element will be: (1) 10
Concentration, The molar concentration of an HCl solution is 12.4 mol/L. Ho...
The molar concentration of an HCl solution is 12.4 mol/L. How many moles of Hcl is in 1.50 L of HCl solution
Ideal gas, what will be presure if tempreture is -73?
what will be presure if tempreture is -73?
Determine in a potassium atom, In a potassium atom, electronic energy level...
In a potassium atom, electronic energy levels are in the following order: (1) 4s>3d (2) 4s>4p (3) 4s (4) 4s Ans: 4s
Difference between oils and fats, Difference between Oils and Fats Oils...
Difference between Oils and Fats Oils and fats belong to similar chemical group, although they are different in their physical state. (i) Oils are liquids at normal temperat
Find series of hydrogen atom spectrum electronic transition, In Balmer seri...
In Balmer series of hydrogen atom spectrum which electronic transition causes third line: (1) Fifth Bohr orbit to second one (2) Fifth Bohr orbit to first one (3) Fourth
Determine the frequency of light wave, Q. Determine the frequency of light ...
Q. Determine the frequency of light wave? Ans. The wavelength of red light is 7.0 x 10 -7 m. What is the frequency? c = λv The first thing to remember here is that
Coordination Compounds, Why does Ferric Chloride shows color?
Why does Ferric Chloride shows color?
ALIPHATIC CHEMISTRY, ACCOUNT FOR THE STABILITY OF CONJUGATED DIENES
ACCOUNT FOR THE STABILITY OF CONJUGATED DIENES
Mercury button cell, reactions in a mercury button cell
reactions in a mercury button cell
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