What is called PH ???
0:57
YouTubeNova Stem+
What is called PH ???
Quick hook: Is that lemon acidic or soap basic? Learn pH in 60 seconds! Explain: pH measures hydrogen ion concentration — low pH (0–6) = acids, high pH (8–14) = bases, pH 7 = neutral. Acids donate H+ (vinegar, lemon), bases accept H+ (baking soda, soap). The pH scale is logarithmic: each step is a tenfold change in acidity. Apply: Test ...
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