Author Question: The warmer the water used in mixing a gypsum product, the __________ the material will set. a. ... (Read 43 times)

Melani1276

  • Hero Member
  • *****
  • Posts: 516
The warmer the water used in mixing a gypsum product, the __________ the material will set.
 a. faster
  b. slower
  c. firmer
  d. softer

Question 2

During the process of setting up gypsum, heat is given off, causing a(n) ____________.
 a. calcining process
  b. transformation process
  c. either a or b
  d. exothermic reaction



janeli

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

a
RATIONALE: The warmer the water used in mixing a gypsum product, the faster the material will set.

Answer to Question 2

d
RATIONALE: During the process of setting up gypsum, heat is given off, causing an exothermic reaction.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

For a complete list of videos, visit our video library