Using indicators to deduce pH of substances Flashcards
1
Q
What is an indicator in the context of pH measurement?
A
An indicator is a substance that changes color in response to the acidity or basicity of a solution.
2
Q
True or False: Universal indicator can show a range of pH values.
A
True
3
Q
Fill in the blank: The pH scale ranges from ____ to ____, with 7 being neutral.
A
0, 14
4
Q
Which color might phenolphthalein turn in a basic solution?
A
Pink
5
Q
What is the purpose of using litmus paper?
A
To determine whether a solution is acidic or basic based on color change.