Acids & Alkalis Flashcards
1
Q
is milk an acid or alkali
A
acid
2
Q
is water 7, 6 or 8 on the pH scale
A
7
3
Q
What is the pH of water
A
7
4
Q
What is the pH of salty water
A
8-7
5
Q
what color is pH1 for universal indicator?
A
red
6
Q
Is purple alkaline or acidic on the pH scale?
A
alkaline
7
Q
What is pH 9 on the pH scale?
A
alkaline
8
Q
TRUE OR FALSE
Green is very acidic on the pH scale
A
False
9
Q
What is the pH of fizzy drinks?
A
3
10
Q
What is cola?
A
acidic
11
Q
What colour is pH of 7 if you use universal indicator
A
Green
12
Q
colour for pH 7
A
green
13
Q
What is yellow on the pH scale?
A
5
14
Q
neutralization word equation
A
acid + base > salt + water
15
Q
If you have a acid with pH of 1, what pH of a substance would you need to neutralise it?
A
14