5.1 Acids And Alkalis Flashcards
1
Q
What ions are produced by acids when they mix with water?
A
Hydrogen ions, H+(aq)
2
Q
What type of solution is made when a substance is dissolved in water?
A
An aqueous solution
3
Q
What pH are hydrogen ions?
A
1-6
4
Q
What are bases?
A
Substances that neutralise acids when they react together
5
Q
What are alkalis?
A
A type of base that dissolves in water to make alkaline solutions
6
Q
Which ions are produced when alkalis are dissolved in water?
A
Hydroxide ions, OH-(aq)
7
Q
What is the pH of alkalis?
A
8-14
8
Q
Name an indicator that can identify the pH of a solution by colour
A
Universal indicator
9
Q
What are state symbols?
A
A symbol in brackets that shows the state of a substance in a formula
10
Q
What pH is pure water?
A
7
