Gases having same reduced temperatures and reduced pressures________?

Gobar gas is produced by the ________ of ‘gobar’ (cow dung)?

Where the density difference of the two liquid phase to be separated is very small (as in milk cream separator), the most suitable separator is a________?

In a forward feed multiple effect, the pressure build up will be________?

Pick out the wrong conversion of absolute & kinematic viscosities?

In Hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen________?