Which of the following does not express ...

Which of the following does not express the properties of gases ?

Gases are highly compressible.

Gases exert pressure equally in all directions .

Gases have much higher density then liquids and solids .

Gases mix evenly and completely in all proportions.

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Which of the following does not express the criterion of spontanetiy?

`(dS)_(P, T) > 0`

`(dA)_(V, T) gt 0`

`(dS)_(P, T) > 0`

All of these

Fullerenes are made by heating graphite

Fullerenes are pure forms of carbon.

Fulluerenes have open cage structure like ice.

`C_(60)` is called Buckminsterfullerene.

They are sonorous

They are in general poor conductor of heat and electricity

They are malleable and ductile

They are hard