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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.
Assertion (A): Esterification is a process in which a sweet smelling substance is produced. Reason (R): When esters react with sodium hydroxide, an alcohol and sodium salt of carboxylic acid are obtained.
Dhanya heated Ethanol with a compound A in the presence of a few drops of concentrated sulphuric acid and observed a sweet smelling compound B is formed. When B is treated with sodium hydroxide , it gives back Ethanol and compound C. Identify compounds A, B and C .Write the chemical reactions involved and name the reactions.
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