Question
A primitive form of this process was used to create whiteware from bovine bones. For 10 points each:
[10h] Name this process of heating a material at a very high temperature and low oxygen to separate it into its constituents. In its most common application, this process is used to decompose limestone into lime.
ANSWER: calcination [or being calcined or calcining; reject “calcification”; reject “roasting”]
[10e] This binder, which is typically formed during the calcination of calcium carbonate, is mixed with sand and gravel to produce concrete.
ANSWER: cement [accept Portland cement]
[10m] Newly synthesized zeolites are sometimes calcined to prevent this polyatomic ion from adsorbing onto them. This polyatomic cation readily accumulates in hypoxic soil rich in nitrifying bacteria.
ANSWER: ammonium [or NH4+; reject “ammonia”]
<Benjamin McAvoy-Bickford, Chemistry>
Summary
| 2024 Penn Bowl Chicago | 11/02/2024 | Y | 3 | 10.00 | 33% | 33% | 33% |
Data
| Illinois A | Chicago A | 0 | 0 | 0 | 0 |
| Northwestern A | Illinois B | 10 | 0 | 10 | 20 |
| Indiana A | WUSTL | 0 | 10 | 0 | 10 |