Your magnesium stole my zinc.

2、6HF+SiO2=H2SiF6+2H2O

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3.2 H2O2==MnO2 (catalyst) = = 2H2O+O2 =

I am like manganese dioxide in the reaction of hydrogen peroxide. Even if the world is fragmented, my attachment to you will never decrease.

4, H2+ oxygen =H2O

I am hydrogen ion, you are hydroxide ion, and together we are the source of life of H2O.