Boric acid, Experiment

06-February-2019 Wednesday
An experiment to destroy cockroaches in an apartment

An experiment to destroy cockroaches in an apartment - My, Cockroaches, Insects, Pests, Poison, Experiment, Boric acid, Longpost, Help

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Boric acid Pests Insects Poison Help Cockroaches Experiment

08-June-2016 Wednesday
What determines the color of the fire ..?!

Boric acid Interesting Fire Experience Chemistry Color Experiment

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