What are the 1st end-of-semester question papers and answers for 12th-grade Chemistry in the 2024-2025 academic year? What does the equipment used for teaching 12th-grade Chemistry in Vietnam include?

What are the 1st end-of-semester question papers and answers for 12th-grade Chemistry in the 2024-2025 academic year?

Students may refer to the following 1st end-of-semester question papers and answers for 12th-grade Chemistry in the 2024-2025 academic year:

Sample 1st end-of-semester question papers and answers for 12th-grade Chemistry in the 2024-2025 academic year Download

Sample 1st end-of-semester question papers and answers for 12th-grade Chemistry in the 2024-2025 academic year

PART I. Multiple-choice questions. Each question has one correct answer.

Question 1: (B) The name of the ester CH3COOC2H5 is

A. Ethyl formate. B. Ethyl acetate. C. Methyl acetate. D. Methyl formate.

Question 2: (H) The hydrolysis of ester X with the formula C4H8O2 produces ethyl alcohol. The name of X is

A. Ethyl propionate. B. Methyl acetate. C. Methyl propionate. D. Ethyl acetate.

Question 3: (B) The main component of soap is

A. Sodium or potassium salts of carboxylic acids.

B. Sodium or potassium salts of any acid.

C. Sodium or potassium salts of fatty acids.

D. Glycerol.

Question 4: (B) Two substances that are isomers of each other are

A. Glucose and starch. B. Fructose and glucose.

C. Sucrose and glucose. D. Fructose and starch.

Question 5: (B) The open-chain structural formula of glucose is

A. CH2OH(CHOH)4CHO. B. CH2OH(CHOH)3COCH2OH.

C. [C6H7O2(OH)3]n. D. CH2OH(CHOH)4CH2OH.

Question 6: (VD) Regarding the chemical properties of glucose and fructose

(a) Both glucose and fructose undergo hydrolysis reactions.

(b) Glucose and fructose exist in open-chain (less) and cyclic (mainly) forms.

(c) Glucose and fructose both form brick-red precipitates with Cu(OH)2/OH when heated.

(d) Glucose and fructose both decolorize bromine water.

The number of correct statements is:

A. 3. B. 4. C. 1 D. 2.

Question 7: (B) Aqueous methylamine solution turns

A. Litmus paper unchanged. B. Litmus paper blue.

C. Phenolphthalein blue. D. Phenolphthalein unchanged.

Question 8: (VD) Consider the following statements:

(1) PVC is an amorphous substance.

(2) Starch glue is made by dissolving starch in water.

(3) Poly(methyl methacrylate) has transparent properties and allows light to pass through.

(4) Lapsan fiber is created by polymerization.

(5) Composite materials have better durability and temperature resistance than component polymers.

(6) Natural rubber is non-conductive, can dissolve in gasoline, benzene, and is flexible.

(7) Nitron fibers are durable and heat-retaining, often used for weaving warm clothing.

The number of incorrect statements is

A. 2. B. 3. C. 4. D. 5.

Question 9: (VD) The average molecular weight of natural rubber and organic glass Plexiglas is 36720 and 47300 (amu). The average number of links in the molecular formula of each type of polymer is

A. 540 and 550. B. 540 and 473. C. 680 and 473. D. 680 and 550.

Question 10: (VD) Consider the following statements:

(1) In all peptide molecules, the C-terminal amino acid must contain the NH2 group.

(2) Glutamic acid is used as a neurological aid.

(3) H2N-CH2-CO-NH-CH2-CH2-COOH is a dipeptide.

(4) The bond of the CO group with the NH group between two α-amino acid units is called a peptide bond.

The number of correct statements is

A. 1. B. 2. C. 3. D. 4.

Question 11: (B) The basic substance to form simple protein molecules is

A. Amino acid. B. Fatty acid. C. Sugars. D. Starch.

Question 12: (B) Which polymer is used as plastic?

A. Nylon-6 B. Nylon-6,6. C. Amylose. D. Polyethylene.

Question 13: (B) Which statement is correct?

A. Condensing buta-1,3-diene with acrylonitrile with Na catalyst produces buna-N rubber.

B. Viscose is a synthetic fiber.

C. Polymerizing styrene obtains poly(phenol formaldehyde).

D. Poly(ethylene-terephthalate) is prepared by condensing the corresponding monomers.

Question 14: (B) Which ion has the strongest oxidizing property?

A. Cu2+. B. Fe3+. C. Mg2+. D. Ag+.

Question 15: (B) Electrolysis is the process of

A. Generating electricity. B. Dissociating substances.

C. Oxidation-reduction. D. Decomposing substances by electricity.

*Note: The information is for reference only./.

What are the 1st end-of-semester question papers and answers for 12th-grade Chemistry in the 2024-2025 academic year? What does the equipment used for teaching 12th-grade Chemistry in Vietnam include? (Image from the Internet)

What does the equipment used for teaching 12th-grade Chemistry in Vietnam include?

Under Section 4 of the Appendix of the General Education Program for Chemistry, issued with Circular 32/2018/TT-BGDDT, the equipment used for teaching 12th-grade Chemistry in Vietnam includes:

(1) Equipment for demonstration and proof

- Periodic table of elements; solubility/saturation chart of salts and hydroxides; electron configurations of first-row transition metals/ions; color chart of some transition metal compounds.

- Pictures introducing the geometry of some complex compounds; salts of Cu2+ in water solvents; structures of some biological complexes like heme B, chlorophyll, vitamin B12, and those used in medicine such as cisplatin, carboplatin, etc.; 3R symbols; recycling aluminum; silicate industry; production of cement, ceramics in industry and crafts. Diagrams of distillation, refining, and application of petroleum. Pictures on the applications of alkanes, alkenes, alkadienes, arenes in practice; applications of halogen derivatives; alcohols and phenols in practice; the role of amino acids, the role of glucose, starch in life.

- Models/assembly kits of hollow and solid forms of some alkanes; benzene, halogen derivatives, ethyl alcohol (ethyl alcohol), and phenol; amines, amino acids, peptides, and proteins.

- Electronic teaching materials:

+ Software: Calculation software; virtual experiment software.

+ Videos of some toxic, dangerous explosive experiments, complex experiments, etc., for instance, experiments with chlorine, bromine, etc., alkali metals, alkaline earth metals interacting with water, etc.

(2) Equipment for practice

- Analytical and measuring instruments: Electrolysis equipment for copper (II) sulfate solution and sodium chloride solution; electrical conductivity testing equipment; handheld pH meters, etc.

- Adequate equipment, instruments, and chemicals according to the minimum teaching equipment list prescribed by the Ministry of Education and Training.

What are the requirements on the educational content of 12th-grade Chemistry in Vietnam?

According to Article 30 of Education Law 2019 regarding requirements on contents and methods of general education:

Requirements on contents and methods of general education

1. The contents of general education must ensure the popular, basic, comprehensive, career-orienting, and systematic characteristics; linking with the realities of life, appropriate to the psycho-physiological characteristics of students, meeting the objectives of education at each level.

2. Requirements on the contents of general education at each level are regulated as follows:

a) Primary education must guarantee students the foundation for comprehensive development of physical and emotional health, social skills, simple and necessary knowledge about nature, society and human being; with social moral awareness; with basic skills in listening, reading, speaking, writing and calculating; with habits of physical exercise and hygiene; and with initial understanding of singing, dancing, music and arts;

b) Lower secondary education shall consolidate and develop the contents learned in primary education, guarantee students the basic general knowledge in Vietnamese, mathematics, national history, other knowledge in social sciences, natural sciences, law, informatics, foreign languages; with introductory understanding on techniques and career-orientation.

c) Upper secondary education shall consolidate and develop the contents learned in lower secondary education, complete the contents of general education. Besides guaranteeing the general, basic, comprehensive and career-orienting knowledge for all students, there shall be advanced teaching in some subjects to develop the students' abilities and satisfy their needs.

3. The methods of general education are to promote the activeness, consciousness, initiatives and creativeness of students; to be appropriate to the characteristics of each subject, class and student; to nurture the methods of self-study, the joy of learning, the ability to work in team, the ability of independent thinking; to develop comprehensively in dignity and ability; to enhance the application of information technology and communications to education.

Thus, under the aforementioned regulations, the educational content of 12th-grade Chemistry shall consolidate and develop the contents learned in lower secondary education, and complete the contents of general education. Besides guaranteeing the general, basic, comprehensive and career-orienting knowledge for all students, there shall be advanced teaching in some subjects to develop the students' abilities and satisfy their needs.