What are oxidising agents?

How can ethanol and ethanoic acid be differentiated on the basis of their physical and chemical properties?

What change will you observe if you test soap with litmus paper (red and blue)?

How would you distinguish experimentally between an alcohol and a carboxylic acid?

People use a variety of methods to wash clothes. Usually after adding the soap,they 'beat' the clothes on a stone,or beat it with a paddle,scrub with a brush or the mixture is agitated in a washing machine. Why is agitation necessary to get clean clothes?

What is a homologous series? Explain with an example.