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preparations of hydroquinone
define and explain law of successive disintegration
A tank containing 100 kg of a 60% brine (60% salt) is filled with a 10% salt solution at the rate of 10 kg/min and 78°F. Solution is removed from the tank at the rate of 15 kg/min.
Fe3+ + e ------> Fe2+
Chemical Properties of Ethers Ethers are fairly stable compounds. These are not simply reacted along with alkalies, dilute mineral acids, active metals, oxidising agents within
Q. Ca +2 = 20 ppm, Mg +2 = 25 ppm, CO 2 = 30 ppm, HCO - 3 = 150, K + = 10 ppm. Calculate the lime (87% pure) and soda (91% pure) required softening 1 million litt
The number of electrons involved in the bond formation of N 2 molecule : (1) 2 (2) 4 (3) 6 (4) 10 Ans: 6
tests for the presence of iodoform
metals iron, aluminium, copper, gold, etc. have great industrial significants. which are their important ores? important alloys of iron, aluminium and copper and their uses.
Q. Illustrate Metallic Bonding? Ans. A metal is crystalline because it has a regularly repeating, closely packed structure. In a metal, though, this closely packed structu
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