Civil Engineering - Waste Water Engineering - Discussion
Discussion Forum : Waste Water Engineering - Section 1 (Q.No. 18)
18.
A rainfall may be classified as acidic if its pH value is less or equal to
Discussion:
18 comments Page 1 of 2.
Hareram sah said:
3 months ago
Lower the ph value higher the acidity.
So, among these 5 is the lowest.
So, among these 5 is the lowest.
Mabin said:
2 years ago
The normal rainfall ph is 5.6 which is also known as unpolluted air.
Anything lower than 5.6, which is 5 or lower, as stated in the choices, is considered to be acidic for rain.
Anything lower than 5.6, which is 5 or lower, as stated in the choices, is considered to be acidic for rain.
Yogesh khairnar said:
3 years ago
The rainfall is acidic when it's below 7.
Not 7.
7 is neutral.
Then answer is below 7,
It could be 6, 5, 6.5.
Not 7.
7 is neutral.
Then answer is below 7,
It could be 6, 5, 6.5.
Manish Rajput said:
3 years ago
Actually, the standard value of pH for acid rain is 5.6.
Sushma said:
4 years ago
The Rainfall PH is 5.6 to 6.5.
Tarundai said:
4 years ago
According to IS (Indian standard), 5.0 is the standard value. So, option C.5 is the correct answer.
Krishna said:
4 years ago
Which is the Correct answer? Please explain.
Dpk said:
4 years ago
For Acid rain pH 5.6.
Viru kapoor said:
5 years ago
For rain it is taken as 5. As per IS.
Khan said:
5 years ago
Equal or less than 6, So, option A.
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