$\mathrm{CaCO_3} + 2\mathrm{HCl} o \mathrm{CaCl_2} + \mathrm{CO_2} + ?$ The missing product is—

Question

$\mathrm{CaCO_3} + 2\mathrm{HCl} 	o \mathrm{CaCl_2} + \mathrm{CO_2} + ?$ The missing product is—

Accepted Answer

$\mathrm{H_2O}$

Answer

$\mathrm{H_2}$

Answer

$\mathrm{O_2}$

Answer

$\mathrm{NaCl}$

CaCO3+2HCl→CaCl2+CO2+?\mathrm{CaCO_3} + 2\mathrm{HCl} \to \mathrm{CaCl_2} + \mathrm{CO_2} + ?CaCO3​+2HCl→CaCl2​+CO2​+? The missing product is—