According to the previous year's cutoffs the cutoff of BSc Hons in chemistry is around 91% so there are some changes you could get admission in DU though I am not sure about the North Campus, you have to wait for 4-5 merit list. 

You can check previous year cutoffs of DU colleges by going through the link below.

https://university.careers360.com/articles/du-cutoff

You can also predict your college options with this score with the help of the DU college predictor. 

https://university.careers360.com/delhi-university-college-predictor

Hope it helps.

Thank you.