Indicators And pH Flashcards
(7 cards)
1
Q
What can you use an indicator for
A
To find out whether a solution is acidic or alkaline, the dye turns a different colour in acidic, or alkaline solutions
2
Q
What colour would a red litimus paper turn if alkali if you add alkali
A
Blue
3
Q
What colour would a blue litimus paper turn if alkali if you add acid
A
Red
4
Q
What is an universal indicator
A
It’s a mixture of dyes, and changes colour to show how acidic or alkaline a solution is
5
Q
Where is acid on a ph scale
A
It has a ph of less than 7
6
Q
Where is alkaline on a ph scale
A
More than 7
7
Q
On a ph scale, what is seven
A
A neutral solution, at exactly 7
