Advertisements
Advertisements
Question
What is the purpose of the pH scale?
Solution
pH scale is used to express the acidic or basic nature of solution.
APPEARS IN
RELATED QUESTIONS
Distinguish between a common acid base indicator and a universal indicator.
State three applications of pH scale.
Define an indicator.
A solution has a pH of 7. Explain, how you would:
Decrease its pH, If a solution changes the color of litmus from red to blue, what can you say about its pH?
Solution P has a pH of 13, solution Q has a pH of 6, and a solution R has a pH of 2.
Which solution : Contains molecules as well as ions?
Mention the colour changes observed when the following indicator is added to acid: Alkaline phenolphthalein solution.
To increase the pH value of neutral solution, we should add
Solution P has a pH of 13, solution Q has a pH of 6 and solution R has a pH of 2.
Which solution is a strong acid?
Solution P has a pH of 13, solution Q has a pH of 6 and solution R has a pH of 2.
Which solution contains molecules as well as ions?
State the change noticed when blue litmus and red litmus is introduced in the following solution:
NaCl solution
