copper nitrate

例句：

1. 1. This solution is used to treat burns and scalds.
   这种溶液用于治疗烧伤和烫伤。
2. 2.Copper nitrate is a common chemical used in the production of paints and plastics.
   硝酸铜是一种常见的化学物质，用于生产油漆和塑料。
3. 3. The chemistry lab uses copper nitrate as a reagent for testing metals.
   化学实验室使用硝酸铜作为金属测试的试剂。