Critical solution temperature (or the con-solute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which________?

Which is the most suitable dye for synthetic fibres?

A liquid is pumped at the rate of 600 litres using 1000 rpm. If the rpm is changed to 1100, the liquid pumped is ________ litres?

When the coal is heated in absence of air, it is called its ________?

Which of the following is not a charge material for cupola?

In a single evaporator system, the steam economy ________ by creating vacuum in the evaporator?