Answer:
A) hydrogen bonds cause a high surface tension = FALSE 
Explanation:
The rest are correct 
 
        
             
        
        
        
Answer:
In this experiment, different solutions are made by mixing water with different colors and amounts of food coloring. Students should notice that once the water and colors are mixed together, the liquid looks the same throughout. It is a solution—a homogeneous mixture
Explanation:
 
        
                    
             
        
        
        
Iodine has an electronegativity of 2.5, and potassium has an electronegativity of 0.8, so the difference is:
2.5 - 0.8 = 1.7
        
                    
             
        
        
        
I think it would be B hope not too late