Dihydrogen reacts with $CuO$ to give:

Which of the following is a poor conductor of electricity?

Hydrogen has three isotopes $(A)$,$(B)$ and $(C)$. If the number of neutron$(s)$ in $(A)$,$(B)$ and $(C)$ respectively,are $(x)$,$(y)$ and $(z)$,the sum of $(x)$,$(y)$ and $(z)$ is:

Give the chemical reaction for the preparation of producer gas.

Identify the catalyst used in the following reaction at $500^{\circ} C$:
$CO + H_2O \rightleftharpoons CO_2 + H_2$

Which of the following drying agents reacts with $CO_2$ and also removes moisture?