Which of the following plants does not emit appreciable amount of SO2 in atmosphere?

Equipment installation cost in a chemical process plant ranges from ________ percent of the purchased equipment cost?

In extraction, as the temperature increases, the area of heterogeneity (area covered by binodal curve)________?

Maximum allowable vapour velocity in a bubble cap tower is determined by the ________?

Gun metal is an alloy of________?

For the same process conditions, the reflux ratio of an unlagged distillation column________?