Fibre glass is a composite material of________?

For a first order isothermal chemical reaction in a porous catalyst, the effectiveness factor is 0.3. The effectiveness factor will increase if the________?

Fugacity is a measure of the________?

The reason for excessive clinker formation in gas producers is the________?

Sometimes, in chemical processes, a part of the outlet stream is rejected as waste in order to keep the impurity level in the system within limits. This phenomenon is termed as the________?

1 torr is equal to ________ mm Hg column?