Question

Найдите простые вещества среди перечисленных веществ: воздух, вода, озон, медь, морская вода, кислород, азот. Среди перечисленных веществ только одно можно назвать сложным веществом. Найдите его: а) раствор углекислого газа в воде, б) углекислый газ, в) кислород, г) раствор кислорода в воде, д) озон.

Answer 1

1) озон, медь, кислород, азот
2) углекислый газ

Answer 2

Simple Substances and Compound Substances

Simple Substances Among the Listed Substances: Among the listed substances, the simple substances are oxygen and nitrogen.

Complex Substance Among the Listed Substances: The complex substance among the listed substances is a) the solution of carbon dioxide in water.

Explanation

- Oxygen and nitrogen are both simple substances, as they consist of only one type of atom and cannot be broken down into simpler substances by chemical means. - The solution of carbon dioxide in water is a complex substance, as it is a mixture of two or more substances and can be separated into its components by physical means