Four students of Government High School, Dhanuvachapuram, have been admitted to SAT Hospital here with burns.
The students were identified as Roshan, Lijish, Anu Abraham, and Krishna Varun.
The Class V students had gone to the Dhanuvachapuram college to view an exhibition and sustained 10% burns in an explosion during a chemical experiment at the exhibition.
The students had been admitted to the hospital to keep them under observation and for further treatment. Their condition was stable, the doctors said.