BCA

Yes, you can pursue BCA with Microsoft cloud computing & cyber security.

This has been already answered and a straight forward answer is no. Without mathematics, most of the institutes won't accept an applicant in BCA, B.Sc IT or CS courses. For more details, visit the respective institute's website and check their eligibility criteria.

Dear,
Through BCA+ MCA programme, you can start your career after 5 years and with your skills, foundation and commitment to technology, you would get the best salary and growth.
B.Sc chemistry is a research-based programme and you need to invest approx. 9 years to reach a good level with Ph.D.
All the best.

Kindly visit the website of Galgotias University.