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A student wishes to prepare 250ml of a 0.20mol/L solution of oxalic acid (COOH)2.2H2O. a) Calculate the amount (no.of moles) of oxalic acid required. b) Calculate the mass of oxali
what is the working principle of polarography
proton neutron hypothesis
Q. Describe SI System and Standards Ans: What units you will you use science class? Long ago people decided that the "foot" must be standardized so that when I measure
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. Explain about Coordination Isomerism? Coordination Isomerism: If the complex is a salt having both cation and anion as complex ions then the ligands can exchange position
lab preparation of ethane
The bond energy of an O- H bond is 109 kcal mol 1. When a mole of water is formed from H and O atoms, then 218 kcal is released. Two O-H bonds are there is H2O so 2*109 kcal an
I HAVE TO PREPARE A ASSIGNMENT ON LIQUID CRYSTAL. AND I WANT TO MAKE IT DIFFERENT FROM OTHER, ACTUALLY I GOT THE MATTER FROM OUR BOOK BUT OUR TEACHER SAID THAT YOU DON''T HAVE TO C
Why magnesium does not impart any colour to Bunsen flame while calcium does
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