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Effect of Change of Pressure on State Change of Matter

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Question

what is the effect of change of pressure on physical state of matter ?

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Solution

By increasing the pressure gases can be converted to liquid, as particles come closer to each other on increasing the pressure. By decreasing the pressure, the solids can be converted to gases, as the particles are far apart on decreasing the pressure.

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Q. Matter undergoes a change. The changes are of two types: Physical and chemical change.

A physical change is a change that involves only a change in the physical state of matter. Its chemical properties remain the same. Usually increasing the temperature or applying pressure or both bring about a physical change. On reversing the condition, that is reducing the temperature or reducing the pressure or both, the original state of matter is restored. In other words, physical changes are reversible.

A chemical change is a change that involves a change in the chemical composition of matter. A new substance is formed. In a chemical change, new chemical and physical properties of the substance are formed. In a chemical change, the chemical and physical properties of the substance formed will be different from the original substance.

In a chemical change, the properties that change are :

Q. During the change of state of matter, both physical and chemical properties of matter changes.

Q. Matter undergoes a change. The changes are of two types : Physical and chemical change. A physical change is a change that involves only a change in the physical state of matter.
Its chemical properties remain the same. Usually increasing the temperature of applying pressure or both brings about a physical change. On reversing the condition, i.e., reducing the temperature or reducing the pressure or both, the original state of matter is restored. In other words, physical changes are reversible. A chemical change is a change that involves a change in the chemical composition of matter. A new substance is formed. In a chemical change, the chemical and physical properties of the substance is formed. In a chemical change, the chemical and physical properties of the substance formed will be different from the original substance. When zinc carbonate is heated and cooled, the change(s) that are observed are :

Q. Physical state of matter can be changed by changing the:

The interconversion of a substance from one state of matter to another is an example of ___ change (physical/chemical).

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Effect of Change of Pressure on State Change of Matter

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