WHAT IS PH?

Kids Go Gardening - - News -

A num­ber be­tween 0 and 14 that tells us if some­thing is an acid or a base. Vine­gar and lemon juice are strong acids (low pH) while bak­ing soda and gar­den lime are bases (high pH). Wa­ter is ‘neu­tral (pH about 7).

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