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

$A$ mixture of $CO$ and $N_2$ gases of equal mass is filled in a cylinder. What will be the ratio of their partial pressures?

Which of the following gases is not easily soluble in water?

Cyclopropane and oxygen at partial pressures $170 \ torr$ and $570 \ torr$ respectively are mixed in a gas cylinder. What is the ratio of the number of moles of cyclopropane to the number of moles of oxygen $(n_{C_3H_6}/n_{O_2})$ ?

What is the absolute or Kelvin temperature scale?

Write the formula to calculate the pressure of a dry gas collected over water.