chemical changes Flashcards
1
Q
What is the pH scale?
A
The pH scale measures the acidity or alkalinity of a solution. It ranges from 0 to 14. 0 = very acidic. 14 = very alkaline
2
Q
What ions are acids and alkalis produce
A
acids produce = H+
alkalis produce = OH-
3
Q
Write the neutralization reaction equation.
A
acid + base —–> salt + water
4
Q
What is the reactivity series?
A
A list of metals arranged in order of their reactivity with water, acids, and oxygen.
5
Q
What happens when a metal reacts with an acid?
A
metal + acid —-> salt + hydrogen gas
6
Q
lol
A
lol
