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Posted by CODED On February 10, 2021 
Under: Uncategorized
(3ai)
(i)To prevent sunlight Ray’s from affecting the solutions
(ii)To prevent the sucking back of water into the hot flask.
(iii) Because it is a component of glass
(iv)NaOH + CO² —> NaHCO³
(3bi)
(i)Heat iodine crystal
(ii)NH⁴Cl
(3bii)
(i)Stationary phase
(ii)Morning phase
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