Why is ccl4 classified as a non polar molecule?

CCl4 is a non polar molecule because though each of the C-Cl bond is polar but the resultant of all these dipole moments is zero as its a symmetrical tetrahedral shape molecule ,and their is a cancellation of dipole moment in each pair.

C) ideal gas law the ideal gas law. the volume (v) occupied by n moles of any gas has a pressure (p) at temperature (t) in kelvin. the relationship for these variables, p v = n r t, where r is known as the gas constant, is called the ideal gas law or equation of state.