Class 10
Solutions to CBSE Sample Paper - Science Class 10

In which year is concentration of hydrogen ion the highest? 

Q 26 - concentration of hydrogen ion the highest - Teachoo.jpg

(A) 2002 

(B) 2008 

(C) 2011 

(D) 2005


Answer - 


  • Acids increase H+ concentration
  • More acidic , more H+ concentration
  • Thus, lesser ph , more H+ concentration

Hence, in 2002 the pH value of rain was lowest indicating highest concentration of hydrogen.

Concentration of hydrogen ion the highest-01.jpg

So, the correct answer is (a)  


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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 13 years and a teacher from the past 17 years. He teaches Science, Economics, Accounting and English at Teachoo