|
Which of the following substances has the lowest PH value? |
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|
(a) |
Tomato juice |
(b) |
Vinegar |
|
(c) |
Washing soda |
(d) |
Human Blood |
|
Which of the following substances has the lowest PH value? |
|||
|
(a) |
Tomato juice |
(b) |
Vinegar |
|
(c) |
Washing soda |
(d) |
Human Blood |