two pupils have been suspended after schoolgirl 's drink was spiked with highly corrosive hydrochloric acid during a science lesson .
the girl was avoided serious injury from the colourless corrosive substance as a result of the quick thinking actions of staff at hounsdown school in southampton , hampshire .
a schoolgirl was left needing urgent medical treatment after she unwittingly downed the potentially lethal liquid at the specialist science college .