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Q. Write phosphate conditioning method for water softening with suitable chemical reactions. How it is different from soda lime method. Ans. Phosphate condition
The maximum number of electrons which each sub-shell can occupy is: (1) 2n 2 (2) 2n (3) 2 (2l+1) (4) (2l+1) Ans: 2
properties of atom
Question 1: (i) What are the main physical properties of hydrogen sulphide? (ii) Which occupational group of workers is often exposed to hydrogen sulphide? (iii) O
define every property of each element
Classification of proteins - Fibrous proteins These are composed of polypeptide chains which run parallel to the axis and are held together by a strong hydrogen and disulphide
what are the principles of radiometric titration
Test of proteins - Biuret test (i) Biuret test : By adding a dilute solution of copper sulphate to alkaline solution of protein, a violet colour is made. This test is because o
Name: Cyclohexane Formula: C6H12 Molar mass: 84.16 g/mol Density: 779.00 kg/m³ As it''s density is less than that of water, it floats on water rather than sinking.
Why a covalent bond is directional? The covalent bond is formed as a result of pairing of two electrons in the atomic orbitals of two atoms. The bond then should lie along the
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