1. Chemical Engineering Technology: Chemical engineering technology is a popular course in Canada for students with a Bachelor of Science in Chemistry. This program is offered by many colleges across Canada, including Centennial College, Sheridan College, and Conestoga College. Students learn about the design, operation, and maintenance of chemical processing plants and systems.

2. Environmental Science and Technology: Environmental science and technology is another popular course for students with a background in chemistry. This program is offered by many colleges in Canada, including Fanshawe College, Northern College, and Red River College. Students learn about environmental science and sustainability, with a focus on chemical analysis and environmental monitoring.

3. Biotechnology: Biotechnology is a growing field in Canada, with many colleges offering diploma and degree programs in this area. Students with a Bachelor of Science in Chemistry can pursue a diploma or advanced diploma in biotechnology at colleges such as Seneca College, George Brown College, and Conestoga College. These programs focus on the application of chemical and biological principles to develop new products and technologies.

4. Food Science Technology: Food science technology is another popular course for students with a background in chemistry. This program is offered by many colleges across Canada, including Niagara College, Algonquin College, and Saskatchewan Polytechnic. Students learn about food science and technology, with a focus on chemistry and food safety.

In terms of colleges, it is important to note that many colleges in Canada offer three-year diploma or advanced diploma programs, rather than traditional four-year degree programs. However, some colleges may offer bachelor's degree programs in specific fields. Here are some options from different provinces:

1. Ontario:

• Centennial College: Chemical Engineering Technology
• Fanshawe College: Environmental Science and Technology
• Seneca College: Biotechnology

2. British Columbia:

• British Columbia Institute of Technology (BCIT): Chemical and Environmental Technology
• Vancouver Island University: Bachelor of Science in Chemistry (Applied Chemistry Major)

3. Quebec:

• Vanier College: Chemical Engineering Technology
• Dawson College: Biotechnology

4. Alberta:

• Northern Alberta Institute of Technology (NAIT): Chemical Technology
• Bow Valley College: Environmental Science