Advertisements
Advertisements
Question
What is the pH of pure water?
Solution
pH of pure water is 7 since it does not have any impurities.
APPEARS IN
RELATED QUESTIONS
State the inference drawn from the following observations
pH of liquid R is 10. What kind of substance is R?
You have been provided with three test tubes. One of them contains distilled water and the other two have an acidic solution and a basic solution respectively. If you are given only red litmus paper, how will you identify the contents of each test tube?
Give the pH value of pure water.
Name two indicators which can identify the presence of an acid?
A solution of iron (III) chloride has a pH less than 7. Is the solution acidic or alkaline?
Mention the colour changes observed when the following indicator is added to acid: Alkaline phenolphthalein solution.
Mention the colour changes observed when the following indicator is added to acid: Methyl orange solution.
What should be added to Decrease the pH value of a neutral solution?
State the change noticed when blue litmus and red litmus is introduced in the following solution:
NaCl solution
Complete the following table and write your observations.
| Hydrogen sulphide | Ammonia | Sulphur dioxide | Hydrogen chloride | |
| Shake the gas with red litmus solution |
