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Analytical test of Oxalic acid or Polyprotic acid
(a) The aqueous solution turns blue litmus red.
(b) The aqueous solution includes effervescences along with NaHCO3.
(c) The neutral solution provides a white precipitate with calcium chloride solution. Oxalic acid is insoluble in acetic acid.
(d) It decolourises hot potassium permanganate solution comprising dilute sulphuric acid.
(d) Along with hot conc. H2SO4, it evolves carbon monoxide that burns with blue flame.
Q. Atomic mass of an element? The number at the bottom of every square in the periodic table is the atomic mass of that element in amu. A scan of the periodic table will withou
Formula of a metallic oxide is MO.The formula of its phosphate will be: (1) M 2 (PO 4 ) 2 (2) M (PO 4 ) (3) M 2 (PO 4 ) (4) M 3 (P
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