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Chemicals in test tube
Chemicals in test tube

Chemicals in test tube in a beaker with copy space

Chemicals in test tube
Chemicals in test tube

Chemicals in test tube in a beaker with copy space

Chemicals in test tube
Chemicals in test tube

Chemicals in test tube in a beaker with copy space

Water ph test
Water ph test

An experiment showing the result as basic water ph of about 7.7