Some specific problems of chefs going to work in Canada and then immigrating.

It is not realistic to apply for a work visa or immigration as a chef.

Because you have no working experience as a chef at all, why should an employer in Canada hire a China with a chef's certificate but no working experience to work in Canada? Such a work visa will definitely be rejected.

If you apply for immigration, according to the current immigration law, you must have at least one year of work experience before you can apply. In your case, you can't get the passing grade.

If you become a chef after graduation, you don't know what the immigration law will be like in a year or two, so you can't choose to be a chef for immigration.

Skilled immigrants from Quebec also need work experience before they can apply.

So your current immigration conditions are not mature enough. I suggest you consider studying abroad before emigrating.

According to the current situation, after graduating from university, you can apply for postgraduate courses in Canada, and then change to work visas or immigration applications. At present, Canada still supports studying abroad before immigration.

Regarding your supplementary question:

There is nothing wrong with your score, but there are two things to remind you:

1) English score 16 is not so easy to get. IELTS must reach the advanced level of listening, speaking, reading and writing to get16; It is still very difficult for non-English majors to reach this level;

2) Even if your score reaches the passing score of 67 for federal skilled immigrants, it doesn't mean that you can apply for immigration, because skilled immigrants in Canada have occupational restrictions since 2008. According to the latest regulation of June 26th, 20th/KLOC-0, you can only submit an immigration application if your occupation belongs to the stipulated 29 categories.