Thursday, May 28, 2009

pH

a.A pH scale measure how acidic and basic a substance is.
b.A pH scale ranges from 0-14.
c.In a pH scale less than 7 is acid.
d.In a pH scale is greater than 7 is base.
e.Lemon juice pH:2&Soapy water pH:12
f.n a pH scale 7 is neutral.

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