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what groups comprise each block of elements in the periodic table?
The quantum number which specifies the location of an electron as well as energy is : (1) Principal quantum number (2) Azimuthal quantum number (3) Spin quantum number
what is back titration
Q. Explain about Roasting process? Roasting is the method of heating ores in the presence of excess air and involves oxidation. It is mainly applied to sulphide ores, which are
find H^+ concentration if Ph=4.90
Q. A sample of water analysis was found to contain temporary magnesium hardness 25 mg/L. Permanent magnesium chloride hardness 15 mg/L and permanent calcium sulphate hardness 20
who formulated the laws of chemical combination?
Alkali metals belong to S-block ? why?
Write the similarities of lithium with other alkali metals
What are the Advantages of cold working (i) No heat is required. (ii) Better surface finish is obtained. (iii) Superior dimension control. (iv) Improved strength and h
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