The correct options are
A Breakdown of atomic fuel in reactor.
C ZSM-5 used to convert alcohol in petrol.
D Storage of chloroform along with little ethanol.
A chemical reaction is said to have undergone autocatalysis if the reaction product itself is the catalyst for that reaction.
Shock decomposition of glycerol trinitrate is autocatalysis due to the mixture of gases which acts as autocatalyst. The reaction is as follows:
4C3H5(ONO2)3→12CO2+10H2O+6N2+O2