what is pH scale?define its significance
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⏩A measure of acidity or alkalinity of water soluble substances (pH stands for 'potential of Hydrogen'.
⏩A pH value is a number from 1 to 14, with 7 as the middle (neutral) point.
⏩Values below 7 indicate acidity which increases as the number decreases, 1 being the most acidic.
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Answer:
PH scale is the scale showing the nutrients of soil
Explanation:
such as aeration, texture, and nutrition of soil
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