Linear contraction of elostomeric impression with passage of time is highest in________?

What is the minimum thickness of the elastomeric impression material for an accurate impression________?

Linear coefficient of thermal expansion of metal used for metal caramic restoration range from________?

Alginate impression material is similar to Agar-agar impression material in the following respect________?

Which of the following is most important in strength ZOE________?

In plaster of paris the setting time is primarily altered by________?