Transformation of coal in a substitue of oil.
Yes, liquification of air is a physical change.
Liquification is the conversation of a solid or a gas into a liquid. Christchurch suffers so much damage from liquification is cause the type of soil and soil arrangement in the regieon.
liquification
A solid turning into a liquid.
melting or liquification
Ice to water
It can be called liquification or more simply melting.
because they have small atomic masses and He has no intrmolecular forces in it
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the process of passing from a solid to a liquid is liquification but the passage from liquid to solid ist solidification
Coal mines, coal bins, coal hods, and anywhere coal is or was.
we can change solid to liquid by the process of liquification at high pressure and low temperature.liquid is changed into gas by the process of vaporization at high temperature and low pressure