It would change the charge, a neutral atom has zero charge but a proton has a positive charge.  So 0 charge + 1 positive charge = 1 positive charge. 
 
        
             
        
        
        
Answer:
C.AgNO3 + NaCl → AgCl + NaNO3
Explanation:
 
        
             
        
        
        
The mass would still be the same 25.0 g but the volume would be bigger
        
             
        
        
        
I don’t know I don’t know I don’t know
        
             
        
        
        
Answer:
it is a physical change because when you heat up again a solution of sugar and tea you gonna obtain again sugar