Randy Holmes-Farley
Reef Chemist
View BadgesStaff member
Super Moderator
Excellence Award
Expert Contributor
Article Contributor
R2R Research
My Tank Thread
- Joined
- Sep 5, 2014
- Messages
- 67,391
- Reaction score
- 63,731
Reef Chemistry Question of the Day [HASHTAG]#153[/HASHTAG]
Which of the following, when mixed with RO/DI water, will NOT form pure limewater (kalkwasser)? Ignore any gasses that form, which we assume will leave the solution.
A. Calcium hydroxide
B. Calcium hypochlorite
C. Calcium oxide
D. Calcium metal
Note there is only one correct answer.
Good luck!
.
Which of the following, when mixed with RO/DI water, will NOT form pure limewater (kalkwasser)? Ignore any gasses that form, which we assume will leave the solution.
A. Calcium hydroxide
B. Calcium hypochlorite
C. Calcium oxide
D. Calcium metal
Note there is only one correct answer.
Good luck!
.