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Sodium alkyl sulphates - Oils and Fats
These types of detergents are sodium salts of sulphuric acid esters of long chain aliphatic alcohols consisting of generally 10 to 15 carbon atoms. The alcohols are acquired from oils or fats by hydrogenolysis.
The other instances are sodium cetyl sulphate,C16H33OSO2ONa and sodium stearyl sulphate, CH3(CH)16CH2OSO3ONa. Not like ordinary soaps, they do not generate OH- ions on hydrolysis and so can be safely employed for woollen garments.
Describe a method that could be used to separate the components of the following a) Sand and iron filings b) Sawdust and lead pellets c) Salt and glass particles d) Silt (water and
why must the mass relative of atom refer to atomic mass of C
Which of the following ions is not having the configuration of neon: (1) F - (2) Mg +2 (3) Na + (4
comparison between acetic acid and acettaldehyde
Viscosity: Viscosity characterizes the motion of fluids in the presence of a mechanical shear force. All fluids can flow, and the resistance they pose to such flow is called VI
why is carbon valency four
Q. Structure of Covalent Bonds? Ans. A covalent bond forms between elements that are near each other in the periodic table While an ionic bond involves an exchange of e
Condensation with formaldehyde - Miscellaneous reactions Phenol condenses with formaldehyde (excess) in presence of sodium hydroxide or acid (H + ) for about a week to form a p
Orbital angular momentum for a d-electron is: (1) 6h/ 2Π (2) √6/ 2 Π (3) 12 h/ 2Π (4) √12h/ 2Π Ans: √6/ 2 Π
The electronic configuration of calcium ion ( Ca2 + ) is: (1) 1s 1 , 2s 2, 2p 6 , 3s 2 , 3p 6 , 4s 2 (2) 1s 1 , 2s 2 , sp 6 , 3s 2 , 3p 6 , 4s 1
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