Write a balanced chemical equation for each of the following:

Action of water on calcium carbide.

Write a balanced chemical equation for each of the following:

Heating of ethanol at 170^oC  in the presence of conc. sulphuric acid.

Name a hydrocarbon which contributes towards the greenhouse effects.

Give the balanced chemical equation for the following conversion:

Calcium carbide to ethyne.

Give the balanced chemical equation for the following conversion.

Sodium ethanoate to methane.

Select from the gases written below that matches the description that follows.

Ethane, ethene, ethyne, propyne

This gas is used for welding purposes.

Select from the gases written below that matches the description that follows.

Ethane, ethene, ethyne, propyne

This gas is also a saturated hydrocarbon.

Write the balanced equation for the following reaction, preparation of ethane from sodium propionate.