21 Окт 2019 в 06:43
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These are chemical formulas for different compounds containing silicon and oxygen.

SiO2 is silicon dioxide, commonly known as silica. It is a compound found in many minerals and rocks, and is used in various industrial applications.

Na2SiO3 is sodium metasilicate, a sodium salt of silicic acid. It is used in detergents, cleaning products, and as a food additive.

H2SiO3 is metasilicic acid, a weak acid that can be formed by dissolving silicon dioxide in water. It is not commonly found in nature, but can be used in laboratory experiments.

19 Апр 2024 в 10:06
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