Advertisements
Advertisements
प्रश्न
Select the correct answer from the choices a,b,c and d which are given.Write only the letter corresponding to the correct answer.
A particular solution contains molecules and ions of the solute so it is a
पर्याय
Weak acid
Strong acid
Strong base
Salt solution
उत्तर
Weak acid
APPEARS IN
संबंधित प्रश्न
Choose the correct answer from the options given below
To increase the pH value of a neutral solution, we should add:
1) an acid
2) an acid salt
3) an alkali
4) a salt
Why are alkalis soapy to touch? What do you understand by PH value?
Complete the table:
Indicator | Neutral | Acidic | Alkaline |
Litmus | Purple | ______ | ______ |
Phenolphthalein | Colourless | ______ | ______ |
What would you observe when red litmus paper is introduced into a solution of ammonia in water?
Define an indicator.
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?
To increase the pH value of neutral solution, we should add
A solution has a pH of 7. Explain how you would decrease its pH.
A given white crystalline salt was tested as follows:
It dissolved in water and the resulting solution of the salt turned blue litmus red. What conclusions can be drawn for the observation?
Describe the tests used to determine acids and bases.