Write the balanced equation of combustion of methane.

Q. Methane burns readily in air. Write the balanced chemical equation for it.

Q. Write a balanced equation using the correct symbols for these chemical reactions:
i) Action of hydrogen on ethene in the presence of nickel catalyst.
ii) Combustion of methane evolving carbondioxide and water.
iii) Dehydrogenation of ethanol.
iv) Decarboxylation of Sodium salt of ethanoic acid.

Q. A balanced equation for combustion of methane is given below:
$C{H}_4{(}_g)+2O_2{(}_g)\to C{O}_2{(}_g)+2H_{2}O{(}_g)$
Which of the following statements is not correct on the basis of the above chemical equation?

Q. Write the balanced chemical equation for the combustion of Zn?

Q. Write a balanced chemical equation for each of the following:
Preparation of methane from iodomethane.