Answer:
You will be able to watch the slow dissolution of the nail (probably a steel nail and not iron) and the change in colour of the solution.
Explanation:
I believe not 100% sure.
 
        
             
        
        
        
Flame test is a qualitative test which is used to identify the metal and metalloid ion in the sample. 
<h3>What is Flame Test ?</h3>
A Flame test is used to identify the metal and metalloid ion in the sample. Flame test is a qualitative test. Not every metal ion emit color when it is heated in the gas burner. 
<h3>What is the Purpose of Flame test ?</h3>
The purpose of flame test is used to find the identities of ions in two solutions of unknown composition by comparing the colors they produce. 
<h3>What are the material used ?</h3>
- Bunsen Burner 
- Matches
- Gloves
- Weighing dishes 
- Beakers
Thus from the above conclusion we can say that Flame test is a qualitative test which is used to identify the metal and metalloid ion in the sample. 
Learn more about the Flame test here: brainly.com/question/864891
#SPJ1
 
        
             
        
        
        
Answer: if you have this app then you’r not smart 
Explanation: because cheating is not allowed 
 
        
             
        
        
        
Answer: B.)
Explanation:  Heat flows from pan to sounroundings