<span>H</span>⁰<span>2, Zn</span>⁺²<span>S</span>⁺³<span>O</span>⁻²<span>4, Fe</span>⁺³<span>2O</span>⁻²<span>3, K</span>⁺¹<span>Cl</span>⁻¹<span>, Cu</span>⁺¹<span>2O</span>⁻²<span>, Na</span>⁺¹<span>3P</span>⁺⁵<span>O</span>⁻²<span>4, K</span>⁺¹<span>2C</span>⁺⁴<span>O</span>⁻²<span>3</span>
Ответы д и е срединяются разные неметаллы
Cu(OH)2 + H2SO4 = CuSO4 + 2H2O
Cu(OH)2 + 2H(+) + SO4(-2) = Cu(+2) + SO4(-2) + 2H2O
Cu(OH)2 + 2H(+) = Cu(+2) + 2H2O