1, Northwest University's chemistry exam is more difficult, because it mainly examines students' ability to master and apply basic knowledge, avoiding too complicated and eccentric questions, thus reducing the difficulty of the exam.

2. The enrollment of chemistry major in Northwest University is large, which provides more admission opportunities for candidates. The school will also consider the characteristics and development of the major when enrolling students, and formulate corresponding enrollment plans, so that more candidates have the opportunity to apply for the exam. Therefore, chemistry postgraduate entrance examination is easy.