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Chemistry CBSE Live product
Class 8 (2026-27)
Particulate Nature of Matter
Gaseous state and Interparticle spacing
8.
Physical state of water based on temperature
Question:
3
m.
Analyse and answer the following:
Determine the physical state (solid, liquid, or gas) of naphthalene at each of the following temperatures:
i. \(25 °C\)
ii. \(91 °C\)
i.
\(25 °C\)
-
Naphthalene exist in vapour
Naphthalene exist in gaseous state
Naphthalene exist in liquid state
Naphthalene exist in solid state
ii.
\(225 °C\)
-
Naphthalene exist in gaseous state as it sublimes at high temperature
Naphthalene exist in liquid state as it melts at high temperature
Naphthalene exist in solid state as it melts at high temperature
Naphthalene exist in liquid state as it sublimes at high temperature
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