Mild steel is ________?

Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m2. Which of the following polymers has the maximum film elongation (of the order of 100%)?

Nylon-6 as compared to Nylon-66 is having higher________?

High ________ is an undesirable property for a good refrigerant?

Change of angle of refraction with composition comprises the working principle of a________?

During ageing of fluid carrying pipes, the________?