Traditional Culture Encyclopedia - Photography major - The school's chemistry interest group collected some waste fixing solution (mainly composed of Zn(NO3)2 and AgNO3) from the photo studio.
The school's chemistry interest group collected some waste fixing solution (mainly composed of Zn(NO3)2 and AgNO3) from the photo studio.
Try to answer the following questions according to the meaning of the questions:
(1) The names of operation 1 and operation 2 are filtration and evaporation.
(2)X is zinc, Y is sulfuric acid .. (Write chemical formula)
(3) The purpose of adding proper amount of Ba(NO3)2 is to convert zinc sulfate into zinc nitrate.
Write the related reaction equation of Ba(NO3)2+ZnSO4═Zn(NO3)2+BaSO4↓
Why can't y be nitric acid? This can also save the step of adding Ba(NO3)2?
You are a junior high school student!
High school students learn the chemical properties of nitric acid, not both concentrated nitric acid and dilute nitric acid.
It has strong adaptability and can oxidize human metallic silver. To put it bluntly, Ag will react with HNO3, but it will not release H2! ! !
So this place can't be nitric acid
- Related articles
- Taobao shop opening process
- What towers are there in the world, such as the Eiffel Tower?
- 7 sample essays on climbers’ reflections
- What is the TC version of the movie?
- Who is the first goddess of table tennis?
- In 1913, China shot its first feature film with a script written by drama critic Zheng Zhengqiu?
- Take a bus from Sijing Lishui Haoting to Jiuting Yinfang Community.
- What business is Changsha suitable for?
- Happy channel children photography
- A classified phrase that laughs to tears.