Chemical Changes Flashcards
1
Q
What is the pH scale used for?
A
Measuring how acidic or alkaline a substance is
2
Q
What is the general equation for a neutralization reaction?
A
Acid + Base → Salt + Water
3
Q
How is a salt made from a metal and an acid?
A
Metal + Acid → Salt + Hydrogen
4
Q
What is electrolysis?
A
The breakdown of a substance using electricity
5
Q
Why do ionic compounds conduct electricity when molten or in solution?
A
Because their ions are free to move and carry charge