Which product is obtained on heating sodium acetate with sodalime?

When vegetation is burnt in the absence of oxygen,which of the following will be formed?

Which of the following will not give one monochloro product?

When a mixture of methane and oxygen is passed through heated molybdenum oxide,the main product formed is

The Wurtz reaction of methyl iodide gives a chemical compound $X$. Which of the following reactions also produces $X$ as a product?

Presence of which reagent will affect the reversibility of the following reaction,and change it to an irreversible reaction:
$CH_4 + I_2 \xrightarrow{hv} CH_3-I + HI$