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Explain the steps involved in the preparation of either potassium dichromate from sodium chromate or potassium permanganate from manganese dioxide.
What is it?
Q. Define the Normality of solutions? Ans. Sometime normality is used to measure concentration. Normality (abbreviated N) is the number of gram-equivalent masses of solute in 1
1. Express 95 mg/l of Ca 2+ as milligrams per liter of CaCO 3 . 2. Express 221 mg/l of Ca(HCO 3 ) 2 as equivalents per liter of CaCO 3 . 3. Determine the concentration o
A solution is made by dissolving30 g of a non-volatile solute in 90 g of water. It has a vapour pressure of 2.8 kPa at 298 K. At 298 K, vapour pressure of pure water is 3.64 kPa
#mechanism of base catalyzed addition for acetal formation
WHAT IS THE EQUIVALENT WEIGHT OF Mg(HCO3)2
which solution is formed when iodine solution ,copper sulphate and caustic soda are mixed?
The extraction of sodium metal
The standard EMF of Pt/H2(g)/HCl(aq)//AgCl(aq)/Ag has been experimentally determined from 0-90?C to yield the following; E?/V =0.23659 – 4.856 * 10-4t(?C) – 3.4205 * 10-4t2(?C) +
What are distinguishing characteristics of metallic bonding? Metallic state can be visualized like an array of positive ions, with a common pool of electrons to
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