Gaseous state

Whether the gas has mass

• yes

• No

• None of the above

What is an ideal gas

• A gas obeys the gas laws

• A gas does not obey the gas laws

• A gas obeys only the Boyle's law

• A gas which doesn't obey the Charles' law

Which law the following relation describes

PV= a constant

• Charles's law

• Boyle's law

• Both the above

• Avogadro's law

Identify the graph which describe the Charles' law

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A sample of helium gas has a volume of 520cm³ at 100⁰C. Calculate the temperature at which the volume will become 250cm³. Assume the pressure to be constant

• 236.45K

• 101.23K

• 179.33K

Which among the following is the equation for Avogadro's law

• P₁V₁=P₂V₂

• T=k*V

• V₁N₁=V₂N₂

• V₁/n₁=V₂/n₂

What is the value of R in calK^-1mol^-1

• 8.314

• 0.0821

• 8.314*10⁷

• 1.987

What is the characteristic of elastic collisions?

• Loss of energy during the collision

• No loss of energy during the collision

• loss of matter

What is Most probable velocity in gases

• velocity possessed by maximum number of molecules

• velocity possessed by fast moving particles

• velocity possessed by slow moving particles

What is the significance of area under Maxwell-Boltzmann curve

• The area will give the maximum fraction of molecules at a particular temperature

• It will give the total number of molecules in the gas

• it is a measure of molecules with high velocity

• It is an indication of probability of molecules