1.

Aluminium vesselsshouldnot be washed with material containing washing soda because

Answer»

WASHINGSODA reactswith aluminium to FORM solublemeta-aluminate.
WASHING soda is expensive
washing soda is easilydecomposed
washing soda reactswithaluminium to forminsolublealuminium oxide

Solution :` 2AI + Na_(2)CO_(3) + 3H_(2)O to 2NaAlO_(2) + CO_(2) + 3H_(2) NaAIO_(2)`is sodium meta- aluminate WHICHIS SOLUBLEIN water.


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