Draw the structures for the following compounds
$(i)$ Butanone $(ii)$ Hexanal
Explain the formation of scum when hard water is treated with soap.
Why are carbon and its compounds used as fuels for most applications ?
Would you be able to check if water is hard by using a detergent ?
A mixture of oxygen and ethyne is burnt for welding. Can you tell why a mixture of ethyne and air is not used ?