Advertisements
Advertisements
प्रश्न
The indicator that changes to pink colour in an alkaline solution is ______.
विकल्प
Blue Litmus
Methyl Orange
Red Litmus
Phenolphthalein
उत्तर
The indicator that changes to pink colour in an alkaline solution is phenolphthalein.
Explanation:
It is an indicator of acid and base that is colorless in acidic solutions but turns pink in alkaline ones.
APPEARS IN
संबंधित प्रश्न
Name the kind of particles present in the sugar solution.
State one advantage of using ‘Ph paper’ for measuring the Ph value of an unknown solution.
Define an indicator.
What is the purpose of the pH scale?
Write the approximate colour of the following sample with the universal indicator: Soap Solution
Write the approximate colour of the following sample with the universal indicator: Gastric juice
When you use universal indicator, you see that solutions of different acids produce different colours. Indeed, solution of the same acid with different concentrations will also give different colours. Why?
What can you say about the pH of a solution that liberates carbon dioxide from sodium carbonate?
Solution P has a pH of 13, solution Q has a pH of 6 and solution R has a pH of 2.
Which solution will liberate ammonia from ammonium sulphate on heating?
State the change noticed when blue litmus and red litmus is introduced in the following solution:
Na2CO3 solution
