The catalyst used in preparing methane from $\mathrm{CO_2}$ and $\mathrm{H_2}$ is—

Question

Accepted Answer

Nickel

Answer

Platinum

Answer

Iron

Answer

Aluminium

The catalyst used in preparing methane from CO2\mathrm{CO_2}CO2​ and H2\mathrm{H_2}H2​ is—