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Question
Assertion :Initially the term pseudo solid was given for solids, which were easily distorted by bending and compression forces. They even tend to flow slowly under its own mass and lose shape. Reason: These characteristics are shown by pseudo solids as in pitch, glass and thus, the name pseudo solid was replaced by super cooled liquids.
Assertion :Initially the term pseudo solid was given for solids, which were easily distorted by bending and compression forces. They even tend to flow slowly under its own mass and lose shape. Reason: These characteristics are shown by pseudo solids as in pitch, glass and thus, the name pseudo solid was replaced by super cooled liquids.
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Solution
The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Initially, the term pseudo solid was given for amorphous solids, which were easily distorted by bending and compression forces. They even tend to flow slowly under their mass and lose shape. The intermolecular forces present in such materials are stronger than those present in the liquids but weaker than those present in solids. They are not solids in real sense. The regular arrangement of constituent particles is present only up to short distance in these solids.
These characteristics are shown by pseudo solids as in pitch, glass and thus, the name pseudo solid was replaced by supercooled liquids.
Hence, the correct option is A
Initially, the term pseudo solid was given for amorphous solids, which were easily distorted by bending and compression forces. They even tend to flow slowly under their mass and lose shape. The intermolecular forces present in such materials are stronger than those present in the liquids but weaker than those present in solids. They are not solids in real sense. The regular arrangement of constituent particles is present only up to short distance in these solids.
These characteristics are shown by pseudo solids as in pitch, glass and thus, the name pseudo solid was replaced by supercooled liquids.
Hence, the correct option is A
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