Question

Help with chemistry. Answer will be rewarded as brainliest

Answer 1

pb+hcl--pbcl2+H2, mg+hcl---mgcl2+h2

Answer 2

I) Pb + 2HCl => Pbcl2 + H2
ii) Mg² + 2HCl => MgCl2 + H2
iii) 2NH3 => N2 + 3H2
iv) Mg2N3+ 4H2O =>2Mg(OH)2 + N3H4