Determine pH with pH indicator strips / universal indicator solution
1)A student dipped pH paper in rain water collected from industrial area. Which colour would be observed?
  

2)The pigment molecule in red cabbage juice used as a pH indicator is?
  

3)For an acidic solution, the concentration of hydronium ions will be?
  

4)Rain water in which SO₂ gas is dissolved has a pH of?
  

5)What is the pH of vinegar?
  

6)pH is normally measured in the range of __________.
  

7)A sample turns blue litmus red. What could the sample be?
  

8)A student has samples of distilled water and aq.NaOH. The two can be identified using ________.
  

9)Which one of the following is not required to find the pH of a solution?
  

10)Which one of the following solutions would you use to test the pH of a given sample ?
  


  


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