Need help for upcoming jee test

Hii everyone So I've an upcoming test on 17 may. The portion is Chem- solutions , electrochemistry

Math- matrices , determinants

Physics- electric charges and fields

Physics I've prepared fully... In chemistry I did solutions a long time ago ... Electrochem I've not even started ... Maths I've been doing but I haven't started pyqs yet

I'm really worried ..Please help me on how I can get atleast above 100 marks . Please upvote as this is my first post Thank youuu!!