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A sample of water contains: suspended matter = 100 mg; Ca(NO3)2 = 16.4 mg/L; MgSO4 = 24 mg/L; MgCl2 = 19 mg/L; NaOH = 40 mg/L and KOH = 56 mg/L. Calculate temporary, permanent and
show the mechanism
Tests for acetone - Legal test (a) Legal's test: while a few drops of prepared freshly sodium nitroprusside and sodium hydroxide solution are added or mixed to an aqueous solut
The number of electrons in [ 40 19 k ] -1 is: (1) 19 (2) 20 (3)18 (4)40 Ans: 40
what are ion? under what conditions are they produced?
Among the bonds formed by a chlorine atom with atoms of hydrogen, chlorine, sodium and carbon, the strongest bond is formed between (1) H- cl
how many laws of crystallography?
classification of mixture according to particle size, uniform mixture, composed of solute and solvent
how carbon tetra-valency lead to stability?
. Types of salt and what happens when expose to the atmosphere
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