Advertisements
Advertisements
प्रश्न
What is the pH of pure water?
उत्तर
pH of pure water is 7 since it does not have any impurities.
APPEARS IN
संबंधित प्रश्न
Why are alkalis soapy to touch? What do you understand by PH value?
What would you observe when red litmus paper is introduced into a solution of ammonia in water?
Define pH.
Name two indicators which can identify the presence of an acid?
A solution has a pH of 7. Explain how you would decrease its pH.
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?
State the change noticed when blue litmus and red litmus is introduced in the following solution:
NH4NO3
Phenolphthalein and methyl Orange are ______.
An ______ solution will turn methyl orange solution pink or red.
M is an element in the form of a powder. M burns in oxygen and the product obtained is soluble in water. The solution is tested with litmus. Write down only the word which will correctly complete the following sentence.
If M is a non-metal, then the litmus will turn ______.