In reversible hydrocolloid the property by which the transformation from sol to gel and gel to sol is a function of the_____________?
Correct answer: D. Temperature
- A. Concentration of filler and plasticizer
- B. Percentage composition by weight of water
- C. Concentration of potassium sulphate
- D. Temperature
Explanation
Reversible hydrocolloid changes from sol to gel and back according to temperature: cooling produces gelation and heating produces liquefaction. This temperature dependence distinguishes it from irreversible alginate hydrocolloid.
Submitted by a TestUstad contributor and published by the TestUstad editorial teamLast updated
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Impression Materials
102 free Impression Materials MCQs from Dental Materials, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Dental Materials questions like this
Dental Materials is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.