Добавил:
Upload Опубликованный материал нарушает ваши авторские права? Сообщите нам.
Вуз: Предмет: Файл:
Chemistry TESTS 15-16 for students все ОМ.doc
Скачиваний:
0
Добавлен:
01.07.2025
Размер:
944.13 Кб
Скачать

С.Ж. АСФЕНДИЯРОВ АТЫНДАҒЫ

ҚАЗАҚ ҰЛТТЫҚ МЕДИЦИНА УНИВЕРСИТЕТІ

KAZAKH NATIONAL MEDICAL

UNIVERSITY BY S.D.ASPHENDIYAROV

Department of BIOChemistry

TEST EXAM

«Coordinated»

Dean of the faculty of «General medicine»

__________________ Shopaeva G.A.

«Confirmed»

Director ED

__________________ Sharipov K.O.

«Coordinated»

Dean of the faculty of «International medical school»

__________________ Kurmanova G.M.

TEST EXAM

on Chemistry

for students of 1st year course “General medicine” faculty

on 2016-2017 academic year

CHEMISTRY

TESTS FOR EXAM

Theory of solution

  1. Which of the following substances has the equivalence factor (fэ) equal to one?

  1. Na2SO4

  2. NaNO3

  3. СaCl2

  4. Na2CO3

  5. Na3PO4

2. THE EQUIVALENCE FACTOR (fэ) IS EQUAL TO 1/2 FOR THE SUBSTANCES

  1. Ca3(PO4)2

  2. Na3PO4

  3. ВаSO4

  4. KNO3

  5. CaCl2

  6. NaBr

  7. KCl

3. Which of the following substances has the equivalence factor (fэ) equal to 1/3?

  1. Na2CO3

  2. Na3PO4

  3. NaNO3

  4. Ca(OH)2

  5. Al2(SO4)3

4. THE EQUIVALENCE FACTOR (fэ) IS EQUAL TO 1/6 FOR THE SUBSTANCES

  1. Mg(NO3)2

  2. Ca3(PO4)2

  3. Al2(SO4)3

  4. Al(OH)3

  5. Na3PO4

  6. NaNO3

  7. CaCl2

  8. KCl

  1. Which of the following has the units mol / kg?

  1. molarity

  2. normality

  3. molality

  4. mass fraction

  5. mole fraction

  1. Which of these formulae is used to calculation of molar concentration?

  1. Which of the following is used to calculate molar concentration of equivalent?

  1. Which of the following formulas is used to calculate mass fraction of solution?

  1. 1 liter of solution contains 3.65 g of hydrogen chloride. What is the molar concentration of the solution?

1) 1 mol / l

2) 0.5 mol / l

3) 0.1 mol / l

4) 0.05 mol / l

5) 0.01 mol / L

10. Hypertensive gauze bandages soaked in 10% waters solution of sodium chloride are used in surgery. How many grams of salt and water do you need to take to prepare 500 g of this solution?

1) 5 and 495

2) 10 and 490

3) 25 and 475

4) 50 and 450

5) 75 and 425

11. 5 g of glucose is dissolved in 95 grams of water. What is the mass fraction of glucose (%) of the resulting solution?

1) 5,00

2) 5,26

3) 5,56

4) 5,88

5) 6,00

12. What is the relation between boiling point elevation with boiling point of pure solvent?

1) is equal to zero

2) Directly proportional to the mass fraction of dissolved material

3) Is directly proportional to the mole fraction of the dissolved substance

4) Is directly proportional to molality of the solution

5) Does not depend on the concentration of solute

13. Which of the following forms 3% Н2О2 solution?

1) 1 liter of solution containing 3 g of hydrogen peroxide

2) 1000 g of a solution containing 3 g of hydrogen peroxide

3) 100 g of a solution containing 3 g of hydrogen peroxide

4) 100 g of solution containing 3 moles of hydrogen peroxide

5) 1000 g of solvent and 3 g of hydrogen peroxide

14. Ebullioskopic constant of water (E) is 0,52о. What is the boiling point of water solution containing glucose of molal concentration equal to 1 mol / kg?

1) 100 ° C

2) 100.52° C

3) 101.04 ° C

4) 99.48 C

5) 98.96 ° C

15. HYPERTONIC SOLUTIONS COMPARED TO THE BLOOD PLASMA ARE

  1. 15% NaCl solution

  2. 10% NaCl solution

  3. 0.9% NaCl solution

  4. 0.1% NaCl solution

  5. 5% NaCl solution

  6. 0.15 М NaCl solution

  7. 0.01 М NaCl solution

  8. 0.3 M NaCl solution

16. ISOTONIC SOLUTIONS COMPARED TO THE BLOOD PLASMA ARE

  1. 0,01% NaCl solution

  2. 0,9% NaCl solution

  3. 10% NaCl solution

  4. 15% NaCl solution

  5. 5% NaCl solution

  6. 0.15 М NaCl solution

  7. 0.01M NaCl solution

  8. 0.3 M NaCl solution

  9. 1 М раствор NaCl

17. HYPOTONIC SOLUTIONS COMPARED TO THE BLOOD PLASMA ARE

  1. 0,01% NaCl solution

  2. 0,9% NaCl solution

  3. 10% NaCl solution

  4. 15% NaCl solution

  5. 5% NaCl solution

  6. 0.15 М NaCl solution

  7. 0.01M NaCl solution

  8. 0.3 M NaCl solution

18. Which of the following substances has the highest temperature of freezing, if the equivalent molar concentrations of these water solutions are the same?

  1. С6Н12О6

  2. NaNO3

  3. Ca(NO3)2

  4. Al(NO3)3

  5. Al2(SO4)3

19. Which of the following substances has the lowest freezing temperature, if the equivalent molar concentrations of these water solutions are the same?

  1. С6Н12О6

  2. КNO3

  3. Mg(NO3)2

  4. Fe(NO3)3

  5. Al2(SO4)3

20. Which pair of solutions from below are isotonic to each other when their concentrations are 0.1 mol/l and the temperatures are also the same?

1) Fructose and sodium chloride

2) Sodium chloride and sodium sulfate

3) Sucrose, and magnesium chloride

4) Calcium nitrate and sodium sulfate

5) potassium chloride and potassium sulfate

21. What is the name of part of the osmotic pressure indicated to the presence of high-molecular components in solution?

1) The saturated vapor pressure of pure solvent

2) Saturated vapor pressure of the solvent over a solution

3) Systolic blood pressure

4) Diastolic pressure

5) Oncotic pressure

22. How do you call a solution that contains osmotic pressure more than the standard values?

1) hypotonic solution

2) isotonic solution

3) physiological solution

4) saturated solution

5) hypertonic e solution

23. The adding of RBC in a 10% solution of sodium chloride result in the phenomenon?

1) hemolysis

2) plasmolysis

3) deplazmolysis

4) ultrafiltration

5) endosmosis

24. What is the phenomenon observed when the RBC are added to 0.1% solution of sodium chloride?

1) hemolysis

2) plasmolysis

3) deplazmolysis

4) ultrafiltration

5) endosmosis

25. Salt solutions have the same molar concentration of 0.01 mol / l. Which pair of the following solutions contain the same number of particles in 1 liter of solution?

1) Na2SO4 and NaCl

2) Na2CO3 and NaBr

3) NaBr and K2SO4

4) NaCl and KBr

5) NaCl and Na3PO4

26. Equivalent amount of substance, can be calculated as the ratio?

1) the molar mass of the substance to its mass

2) The mass of a substance to its molar mass

3) the molar mass of the substance for its equivalent weight

4) The mass of a substance to its molar mass equivalent

5) The mass of the substance to the weight of the solution

27. What value can be calculated as the product of the equivalence factor and molar mass of the substance?

1) the mass fraction

2) the molar concentration

3) the molar equivalent concentration

4) molar equivalent mass

5) the mole fraction

28. Which property of the following represents the ratio of the equivalents to the volume of the solution?

  1. Molarity

  2. normality

  3. mass fraction

  4. mole fraction

  5. molality

29. Which property of the following represents the ratio of the equivalents of the solute to the weight of the solvent?

Соседние файлы в предмете [НЕСОРТИРОВАННОЕ]