【Daily Question No. 294】December 11, 2020

2020-12-11View Original

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【Daily Question No. 294】December 11, 2020: Hydrogen fluoride is not toxic. True or False ( ) Please reply within two days.

Reply #22020-12-11

Error. Hydrofluoric Acid is an aqueous solution of hydrogen fluoride gas; it is a clear, colorless, fuming corrosive liquid with a highly irritating odor. Hydrofluoric acid is a weak acid with extreme corrosivity; it can severely corrode metals, glass, and silicon-containing materials. Inhalation of vapors or contact with the skin can cause incurable burns.

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【Daily Question No. 294】December 11, 2020

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