Aluminium vessels should not be washed with materials containing washing soda because:
Aluminium vessels should not be washed with materials containing washing soda because:
A. washing soda is expensive
B. washing soda is easily decomposed
C. washing soda reacts with aluminium to form soluble aluminate
D. washing soda reacts with aluminium to form insoluble aluminium oxide
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Correct Answer - C
`Na_(2)CO_(3)+H_(2)Oto 2NaOH+CO_(2) , 4OH^(-)+Al to [Al(OH)_(4)]^(-)` (soluble complex)
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