5
Question
Identify the amorphous substance from the following.
Identify the amorphous substance from the following.
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Solution
The correct option is A clay
Clay is amorphous solid. Sugar, salt and iron are crystalline solid. Note:
A
solid is said to be crystalline when it possesses a definite
geometrical shape. A crystalline solid is a homogeneous solid in which
the constituent particles, atoms or ions or molecules are arranged in a
definite repeating pattern. Such arrangement leads to maximum total
intermolecular force of attraction.
A solid is said to be amorphous
when it has no geometrical shape. Such substances appear like solids but
the do not have well developed perfectly ordered crystalline structure.
Clay is amorphous solid. Sugar, salt and iron are crystalline solid.
Note:
A
solid is said to be crystalline when it possesses a definite
geometrical shape. A crystalline solid is a homogeneous solid in which
the constituent particles, atoms or ions or molecules are arranged in a
definite repeating pattern. Such arrangement leads to maximum total
intermolecular force of attraction.A solid is said to be amorphous when it has no geometrical shape. Such substances appear like solids but the do not have well developed perfectly ordered crystalline structure.
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