The high school graduation mock exam for Chemistry was created by Nam Dinh Department of Education and Training with a test time of 50 minutes as follows:

Here are the answers to this test:

SENTENCE ANSWER
Part 1
1 D
2 A
3 A
4 D
5 A
6 D
7 D
8 A
9 D
10 C
11 D
12 B
13 D
14 C
15 D
16 B
17 D
18 B
Part 2
1a S
1b D
1c D
1d S
2a D
2b S
2c D
2d S
3a D
3b D
3c S
3d D
4a D
4b D
4c S
4d D
Part 3
1 3214
2 235
3 4
4 6
5 14
6 289

In 2025, the total number of candidates registering for the high school graduation exam is 1,165,289; an increase of 93,894 registrations compared to last year (in 2024, the total number of candidates registering for the high school graduation exam is 1,071,395).

Of which, the number of candidates taking the exam under the 2018 GeneralEducation Program is 1,138,579, accounting for 97.71% of the total number of candidates registered for the exam. The number of candidates taking the exam under the 2006 General Education Program is 26,711, accounting for 2.29% of the total number of candidates registered for the exam.

The 2025 high school graduation exam will take place on June 26 and 27; on June 25, candidates will complete exam registration procedures.

From 2025, candidates studying the 2018 General Education Program taking the high school graduation exam will only take 4 subjects, including 2 compulsory subjects (Literature, Mathematics) and 2 optional subjects (from the remaining subjects studied in grade 12 including: Foreign Language, History, Physics, Chemistry, Biology, Geography, Economic and Legal Education, Information Technology, Technology. Specifically, these candidates will participate in 3 exam sessions including 1 Literature session, 1 Math session and 1 optional exam session. The Literature subject will be an essay test in 120 minutes. The exam consists of 2 parts: Reading Comprehension (4 points) and Writing (6 points). The remaining subjects will be multiple choice, in which the Math test will take 90 minutes, the remaining subjects will take 50 minutes.

Candidates taking the 2006 General Education Program will participate in 4 exams, including 1 Literature exam, 1 Math exam, 1 optional Natural Science or Social Science exam, and 1 Foreign Language exam.

Source: https://vietnamnet.vn/de-thi-thu-tot-nghiep-thpt-mon-hoa-hoc-nam-2025-cua-nam-dinh-kem-dap-an-2413687.html