give reason, a mixture of dilute NaOH and aluminum pieces is used to open drain
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give reason, a mixture of dilute NaOH and aluminum pieces is used to open drain
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2Al(s) + 2NaOH(aq) + 2H2O(l) ——-> 2NaAlO2(aq) + 3H2(g)
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A mixture of dilute NaOH and aluminium pieces is used to open drain. Aluminium pieces dissolve in dilute NaOH to evolve dihydrogen gas whose presence can be used to open clogged drain.
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