Question

Because $MgCl_{2},NaOHandCaCl_{2}$ all absorb water from the atmospheric moisture.

• A. Hydrolysis
• B. Dehydrates
• C. Reduction
• D. Oxidation

Answer 1

Answer: (A)

Hydrolysis

Answer 2

It undergoes hydrolysis and gives fumes of HCl

$AlCl_{3} + 3H_{2}O\overset{\quad\quad}{\rightarrow}Al(OH)_{3} + HCl$