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प्रश्न
Does pH value of pure water change if common salt is added to it?
उत्तर
No, the pH value does not change on adding common salt.
संबंधित प्रश्न
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?
Two solutions X and Y have Ph values of 4 and 10 respectively. Which one of these two will give a pink colour with phenolphthalein indicator?
Distinguish between a common acid base indicator and a universal indicator.
Fill in the blank
pH scale was introduced by _________ in 1909.
Choose the correct answer from the options given below:
Which colour with the universal indicator indicates highly alkaline solution?
What is the pH of pure water?
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?
Choose the odd one out & give a reason:
A compound P is heated in a test tube with sodium hydroxide solution. A red litmus paper held at the mouth of the test tube turns blue.
Which of the following could compound P be?
