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what is the value of pH
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Answer / vani
pH value of an acidic solution will be less tha 7 and that
of an alkaline solution is greater than 7, pH value of pure
water is 7.
| Is This Answer Correct ? | 36 Yes | 4 No |
Answer / babi
negative logerithem of H+ ion concentration
pH = -log [H+]
| Is This Answer Correct ? | 14 Yes | 6 No |
Answer / haji muhammad mughal
It is hydrogen in concentration of any solution, to predict
their acidity or basicity. It is scale of acidity or
basicity measurement
| Is This Answer Correct ? | 8 Yes | 1 No |
Answer / paresh jobanputtra ,amoli orga
pH is the minus logarithum of the concentration of H+ ion to
the base 10..scale 0 to 14 (discovered by SORENSON)
Less than 7-Acidic in nature
Greater than 7-Basic in nature
and equal to 7-neutral in nature
1st crireria is the soln must be an aqueous soln..
2nd thing its must be an electrolyte..
we can see pH value only that soln whose concentration is
below or equal to 1M...
| Is This Answer Correct ? | 6 Yes | 1 No |
Answer / devendrakumar
value of pH means value of H+ ions present in the soln .
when H+ ions is more in the soln then pH of that soln is
less thhan 7 and when pH greater than 7 then soln is basic
| Is This Answer Correct ? | 6 Yes | 2 No |
Answer / naveen
PH is defined as hydrogen ion concn in water.if ph is <7
its acidic,if ph>7 its basic.if pH in B/N 7&14 its neutral
| Is This Answer Correct ? | 2 Yes | 2 No |
Answer / govind jawadwar
Negative log of concentration of hydrogen ion
| Is This Answer Correct ? | 0 Yes | 1 No |
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My question about gas chromatography sulfur chemiluminsecence detector. I test unknown sample gas by GC-SCD (calibrated ) and the result of *H2S is 279 PPM , *but when I test the same sample with the GC-TCD (calibrated ) the value of *H2S is 2500 PPM . I'd like to inform you that both GCs are calibrated and have very good operation conditions with stable parameters . the question is if the sample gas with higher H2S over detection limits of SCD detector (1000 ppm). why the result it 279 ppm Best regards
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