Question

The piece of alum becomes bigger when another piece of alum is suspended in its solution. This process is known as:
(a) Ionisation
(b) Transformation
(c) Crystallisation
(d) Polymorphism

Answer 1

answer

[a] Ionization

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Answer 2

The piece of alum becomes more prominent when another part of alum is suspended in its solution. This process is known as Crystallization. The answer is option C.

Crystallization is a physical change that happens in the alum when an additional piece of alum is added to the existing solution of alum. The alum crystallizes in three forms, α-, β- and γ-alums.