write the procedure for preparation of test of sodium bicarbonate for test of sulphate impurities
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4
Answer:
it shall be heated which gets decomposed into Na2O and seen
Explanation:
NaHCO3---Δ--->Na2O + H2O + CO2
(Δ= heat)
after it test for moisture and carbon dioxide
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Answer:
barium chloride
Principle: Limit test of sulphate is based on the reaction of soluble sulphate with barium chloride in presence of dilute hydrochloric acid to form barium sulphate which appears as solid particles (turbidity) in the solution.
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