Уравнения химических реакций
H2+I2 = 2 HI
H2↑+S = H2S
2 P+3 H2↑ = 2 PH3
Zn+2 HCl = ZnCl2+H2↑
Zn+2 HNO3 = Zn(NO3)2+H2↑
Ca+2 HNO3 = Ca(NO3)2+H2↑
2 K+H2SO4 = K2SO4+H2↑
2 K+2 HCl = 2 KCl+H2↑
2 Na+2 HNO3 = 2 NaNO3+H2↑
2 Na+2 HCl = 2 NaCl+H2↑
