<p>ch333something choice a
Caco3 + Hcl it was the exact equation i remmber now i picked . got lucky since it actually proudeces co2 gas and i thought it produced h2 gas oh well lucky guess
baso4 something for choice a
cu zn for oxidanton
amonnia for compelex ion last choice i thnk</p>
<p>yay i guessed it right i think i just got confused lol</p>