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1 gram of pure sodium carbonate is dissolved in water and the solution is made up to 50 ml of this solution 50 ml of 0.1 N HCl is added whose volume is 50 ml and the mixture furthe
Q. What are the Physical Properties of Nitric Acid? Ans. Nitric acid (HNO 3 ) may be prepared by heating sodium nitrate with sulfuric acid: NaNO 3 + H 2 SO 4 --> HNO
Evaluate the relation between rate constant k 1 and k 2 of a first order reaction when temperature changes from 270 K to 300 K and activation energy is zero?
The total number of unpaired electrons in d- orbital's of atoms of element of atomic number 29 is: (1) 10 (2) 1 (3) 0 (4)5 Ans: 0
application of ellingham daigram
Classification of dyes according to their application Direct dyes: this type of dyes can be directly applied to the fiber, both vegetable and animal, by dipping in hot aqueo
why f block is out from periodic table
Potassium permanganate is prepared from pyrolusite (MnO 2 ) . Pyrolusite is fused with KOH in the presence of atmospheric oxygen or an oxidising agent like potassium nitrate or po
Q. How to produce Nitrogen on Industrial Level? Ans. Nitrogen is produced by the fractional distillation of liquid air. Air is cooled to liquefy it. The liquid is then all
Q. Define homogeneous mixture ? A homogeneous mixture is one which has a constant composition throughout. By mixed sugar in water you create a homogeneous mixture. A homogeneo
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