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Q. Describe about Coordination compounds? The complexes show a wide variety of physical and chemical properties which are quite different from normal salts. These differences
Why does calcium sulphate form scales in high pressure boilers
list of all isotopes
1. A sample of water contains: suspended matter = 100 mg; Ca(NO3)2 = 16.4 mg/L; MgSO4 = 24 mg/L; MgCl2 = 19 mg/L; NaOH = 40 mg/L and KOH = 56 mg/L. Calculate temporary, permanent a
When the azimuthal quantum number has a value of l=0 , the shape of the orbital is: (1) Rectangular (2)Spherical (3)Dumbbell (4)Unsymmetrical Ans: Spherical
Precipitation titrations - Types of titrations The titrations that are based upon the formation of insoluble precipitates, while the solvent of two reacting solution are brough
The present atomic weight scale is based on: (1) C 12 (2) O 16 (3) H 1 (4)C 13 Ans: C 12
Calculate the mass of sodium chloride: Problem: Let us calculate the mass of sodium chloride in a solution containing 24 Na (half-life, 15 h) whose activity is 5.7 mCi
Need help figuring out the proper steps on how to solve: What volume of 1.25M HCl in liters is needed to react completely (with nothing left over) with 0.750L of 0.200M Na2CO3? Usi
Q. Why we use Boron? Boron is used to increase the hardness of steels. Crystalline boron is used in transistors. Boron is a good neutron absorber and is used as shields and con
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