First slide

Uses of Boron & Aluminium

Question

Which of the following statement is incorrect?

Moderate

A

Pure Na metal dissolves in liquid ammonia to give blue solution
B

NaOH reacts with glass to give sodium silicate
C

Al reacts with excess of NaOH to gives Al (OH)₃
D

NaHCO₃ on heating gives Na₂CO₃

Solution

Al + NaOH + H₂O $\overset{}{\to}$ NaAlO₂ + $\frac{3}{2} H_{2}$

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