Would you be able to check if water is hard by using a detergent ?
Explain the mechanism of the cleaning action of soaps.
Draw the structures for the following compounds
$(i)$ Ethanoic acid $(ii)$ Bromopentane $^*$
$^*$ Are structural isomers possible for bromopentane ?
What change will you observe if you test soap with litmus paper (red and blue)?
What would be the electron dot structure of a molecule of sulphur which is made up of eight atoms of sulphur ?