JEE Main Chemistry question

Chemistry General Principles and Processes of Isolation of Elements (Metallurgy)JEE Main

Not in JEE Main or NEET syllabus

Aluminium vessels should not be washed with materials containing washing soda since

(A)Washing soda reacts with aluminium to form soluble aluminateCorrect
(B)Washing soda reacts with aluminium to form insoluble aluminium oxide
(C)Washing soda is expensive
(D)Washing soda is easily decomposed

Answer: (A)

Solution

Washing soda () is alkaline enough to attack the protective oxide layer and react with aluminium, forming soluble sodium aluminate and gradually corroding the

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Question ID VK-138342