Write down separately from this list of substances: oxides, acids, bases, salts. NO₂; HCl³; Na²CO₃;

Write down separately from this list of substances: oxides, acids, bases, salts. NO₂; HCl³; Na²CO₃; Cu²O; NaOH; Fe (OH) ₃; FeCl₃; H₂SO₃; AL₂S₃.

We will arrange all the chemical elements presented in the task according to the classes of organic compounds.

Oxides:

NO₂ tetravalent nitric oxide,

Cu2O copper oxide,

Reasons:

NaOH sodium hydroxide,

Fe (OH) ₃ ferric hydroxide,

Acids:

HCl hydrochloric acid,

H₂SO₃ sulfurous acid,

Salts:

Na2CO₃ salt sodium carbonate,

FeCl₃ ferric chloride salt,

AL₂S₃ trivalent aluminum sulfide salt.