What are indicators and how do they work?

Question 1

What is an indicator?

Answer 1

an indicator is a substance that changes its colo when it gains or loses a H+

Question 2

How does indicators work?

Answer 2

1. indicators change color when the pH changes
2. they show whether a solution is an acid or base

Question 3

Electrolytes

Answer 3

are substances whose water solutions can conduct an electric current

Question 4

why can electrolytes conduct an electric current?

Answer 4

because in water solutions these ions are free to move and carry an electric current

Question 5

Electrolytes includes the following

Answer 5

1. all acids ( table K)
2. all bases ( table I)
3. all aqueous solutions of ionic compounds ( table F)