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प्रश्न
State the property of the following substance.
Naphthalene on heating directly turns into vapour.
विकल्प
Physical
Chemical
उत्तर
Chemical
संबंधित प्रश्न
What do you understand by the change of phase of a substance?
Draw a labelled diagram of the experimental set-up to study the latent heat of vaporisation of water.
What are the two ways in which the physical states of matter can be changed ?
One of the following does not undergo sublimation. This one is :
If the temperature of an object is 268 K, it will be equivalent to :
On converting 308 K, 329 K and 391 K to Celsius scale, the correct sequence of temperatures will be :
Define Intermodular force of attraction
Write whether the following statement is true or false:
The intermolecular force of attraction is the weakest in gases.
Draw a labelled schematic diagram representing the terms (a) to (e) involved in the inter-conversion of matter.
Give the reason for the following:
The kinetic energy of molecules of gases is very large & of solids, the least.
