Science Gk tricks: pH value of Important substance | about pH scale & value | online school 

Science Gk tricks: pH value of Important substance | about pH scale & value | online school
#science #gktricks #pH_value #studycorner #ph_scale
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Quiz pH Value is here : www.studycorne...
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in this video the most important topic which always asked in ssc type competitive examinations. watch full video and sure you will get remember these pH value of important substances easily in my funny , crazy way of gk trick.
Q. Why ph value of NaCl is 7 - - - -
Ans. (NaOH+HCl→NaCl+H2ONaOH+HCl→NaCl+H2O
Sodium chloride is a salt (also known as “salt”, “table salt”, “common salt”) that can be considered as to have been formed due to the reaction of NaOHNaOH and HClHCl - one a strong base, the other a strong acid.
Strong acids react with strong bases generally give neutral salts, and NaClNaCl is one of them.
Since it’s neutral, it doesn’t really affect the [H+][H+] and [OH−][OH−] in water and its concentration doesn’t alter the pHpH of its solution. So, 7)
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