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Liquid paraffin is used in the determination of melting point because it has a known and consistent melting point of around 40-60°C. This allows for a reliable reference point to calibrate and set the temperature of the melting point apparatus before testing other substances. Liquid paraffin also has a low volatility, ensuring that it remains stable throughout the duration of the experiment.
i dont know asked some one else to asked
If the pressure increases, the melting point of paraffin wax also increases. This is because an increase in pressure makes it harder for the molecules to break free from their ordered arrangement and transition into the liquid phase, thus requiring a higher temperature to melt.
The melting point is the temperature at which a solid becomes a liquid.
yes the melting point of solid and freezing point of liquid of a substance is differ but in the case of water the melting and freezing point is same.
Matter changes from solid to liquid at the melting point. At the melting point, the solid phase transitions into the liquid phase as heat energy is absorbed, causing the particles to gain enough kinetic energy to overcome intermolecular forces and change their arrangement from a solid structure to a liquid structure.