Question

A mixture of oxygen and ethyne is burnt for welding. Can you tell why a mixture of ethyne and air is not used?

While cooking, if the bottom of the vessel is getting blackened on the outside, it means that

Why are carbon and its compounds used as fuels for most applications?

Assertion (A): Saturated hydrocarbons burn with a blue flame. Reason (R): Saturated hydrocarbons contain less carbon content, so there is a complete combustion of these compounds.

In a laboratory experiment, students burned methane (CH₄) in the presence of oxygen and observed that carbon dioxide and water were formed with the release of heat and light.