Which of the following gas mixtures will not obey Dalton's law of partial pressure?

What are the measurable properties of a gas?

Which of the following mixtures of gases cannot be used to demonstrate Dalton's Law of Partial Pressures?

Consider the following statements: For diatomic gases,the ratio $C_p/C_v$ is equal to:
$1$. $1.40$ (lower temperature)
$2$. $1.66$ (moderate temperature)
$3$. $1.29$ (higher temperature)
Which of the above statements are correct?

$A$ gaseous mixture contains equal masses of dihydrogen gas,dioxygen gas and methane gas at a total pressure of $380 \ torr$. The partial pressure of methane gas is ........... $torr$.

The gaseous state is characterized by which of the following properties?