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Q. why is sodium aluminates is a better coagulates then ferrous sulphates or alum? Ans. Sodium aluminates (NaAlO 2 ): It is better coagulant than FeSO 4 and alum because i
One step in the preparation of nicotine sulfate from tobacco is the extraction of nicotine from aqueous solution by kerosene. The table below shows equilibrium data for the distri
use and purpose 0
It is desired to create 5 kg of superheated steam at 300 o C and 20 bar using an isobaric mixer. If 543 kJ of heat are sent to the system, and 2 kg of saturated steam is mixed wit
The f-block elements contains of two series of inner transition elements i.e. lanthanoids (the fourteen elements subsequent lanthanum) and actinoids (the fourteen elements subseque
What is the effect of more electronegative atom on the strength of ionic bond: (1) Decreases (2) Increase (3) Decreases slowly (4) Remains the same Ans: Increase
ionic equilibrium
what are metallic conduction
The formal charge on the hydrogens are The formal charge on all the hydrogens is 0. For the other atoms: (a) Nitrogen has a complete octet and a formal charge of 0. (b) B
why didnt all the noble metals get rust even they have high electrode potentials? Ans) for e.g if you look at gold it is highly reactive with greater negativity of gibbs free ener
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