Is it advisable to study chemical engineering?

In Nigeria, no . Elsewhere yes.

Mechanical, civil or structural engineering are advisable

Yes because chemical engineering is a good course and the chances of getting a job is high.Just study hard and graduated well.They are people that studied chemical engineering in Nigeria and today some are working in oil companies, some have their own company etc,there are so many places to work with a good grade in chemical engineering.Note it is not only an oil company you can work, you can work in pharmaceutical industry, textile industry, food industry, clothing industry and so on,they are too many.Chemical Engineering is very broad. Go for it

No in Nigeria because there are no industry. Please study civil, mechanical or electrical engineering there are opportunities for this course s.
Have friends who studied chemical. They wished they had done other courses. Nigeria don't have industry, so is a no to study chemical engineering

Make nobody deceive u oooo
Chemical engineering is very advisable to study in Nigeria, there is hardly any production/industry jobs that don't require chemical engineers in Nigeria
Go ahead and study it if u love it don't think twice I am telling u from experience