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Vapour phase cracking - Hydrocarbon
In this method, gas oil or kerosene oil is vaporized in vapour phase. The temperature is reserved 600 - 800oC and the pressure is approximately 3.5 to 10.5 atmospheres. The cracking is specified by use of a referable catalyst. The gives up are as 70%.
Q. Show Milk – quality specification? Milk is a whole, clean, fresh lacteal secretion obtained by complete milking of one or more healthy milch animals. Milking is not done 1
The number of d electrons in Fe +2 (atomic number of Fe= 26 ) is not equal to that of the: (1) p-electrons in Ne (At. No.= 10) (2) s-electrons in (At. No.= 12)
Physical properties of Halo-arenes (i) Physical state: they are colourless liquid or crystalline solid. (ii) Solubility: Halo-arenes are not soluble with water, but dissolve
A covalent bond between two atoms is formed by which of the following: (1) Electron nuclear attraction (2) Electron sharing (3) Electron transfer (
D BLOCK ELIMENT
how to determine the ionic product of water?
about potassium manganate
What metals combine with non-metals, the metal atom tends to: (1) Lose electrons (2) Gain electrons (3) Remain electrically neutral (4)
what is atom
Equivalent Weight
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