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Alum is a chemical (aluminum potassium sulphate) it tends to be whitish powder with various uses.
Name a substance which on addition to AgCl causes vacation vacancy in it. Mention a large scale use of the phenomenon called 'reverse osmosis'.
Mention one property which is caused due to the presence of F-centre in a solid. a) Write down Nernst equation for single electrode potential.
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Lassaigne method This is employed to detect halogen, nitrogen and sulphur. Organic compounds are fused along with dry sodium in a fusion-tube and fused mass after extraction wi
how to prepare westron from acetylene
Which carbonate mineral reacts readily with cool dilute hydrochloric acid to produce visible bubbles of carbon dioxide gas? Many carbonate minerals.
What is the principle of EDTA titration method
Draw C5H10O2 that has the following 1H NMR spectrum: 1.15 (t, 3 H), 1.25 (t, 3 H), 2.33 (q, 2 H), 4.13 (q, 2 H).
50ml of 0.1M NH 4 OH ,25ml NH 4 Cl weere used to make a buffer . what is the PH is if Pk b is 4.8? Solution) The given buffer is a base buffer [NH4OH] =[(50*0.1)/75] [NH4Cl] =[(
Which of the following represents the correct sets of the four quantum numbers of a 4d electron: (1) 4,3,2,1/2 (2) 4, 2, 1, 0 (3) 4,3,-2+1/2
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