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Тест на английском языке по теме "Thermal motion" - тепловое движение
| Thermal motion 1. Simple diffusion is defined as the movement of A. Molecules from areas of higher concentration to areas of lower concentration B. Molecules from areas of lower concentration to areas of higher concentration C. Water molecules across a membrane D. Gas molecules across a membrane E. Gas or water molecules across a membrane 2. When sugar is mixed with water, equilibrium is reached when A. Molecules of sugar stop moving B. Water and sugar molecules are moving at the same speed C. The dissolved sugar molecules are evenly distributed throughout the solution D. There are the same number of water molecules as dissolved sugar molecules E. Two tablespoons of coffee are added 3. Which of the following affect(s) the speed of diffusion? A. Temperature B. Size of molecules C. Concentration difference D. A and B E. E. A, B and C 4. The molecules in a solid lump of sugar do not move A. True B. False Temperature and internal energy 1. What is an acceptable temperature for acomfortable room? A. 72 degrees Kelvins B. 72 degrees Celsius C. neither D. both 2. Which of the followings can be a temperature of an ice cream? A. 30 degrees Celsius B. 250 degrees Kelvins 3. Which of the followings can be a temperature of a cup of tea? A. 228 degrees Kelvins B. 28 degrees Celsius 4. True or False? 260 Kelvins is a reasonable temperature for warm spring day A. True B. False 5. Choose the reasonable temperature for a glass of iced tea? A. 32 degrees Celsius B. 4 degrees Celsius C. neither 6. Which one is better to wear when the weather is 29 C? A. t-shirt B. sweater C. heavy coat and gloves D. none of the above 7. What would you most likely to wear on a day that is 255 Kelvins? A. t-shirt B. heavy coat, hat, scarf, gloves C. sweater 8. Choose what you would most likely to wear on a day that is 300 Kelvints A. sweater B. t-shirt C. heavy coat and gloves 9. If it was 218 Kelvins outside, what would you most likely be doing? A. sledding B. swimming C. water skiing 10. Choose the word that might describe a 32 degrees of Celsius day A. freezing B. warm C. cold D. windy 11. Convert the following units into the desired ones. A. 86 K =........°C B. 40°C =........K C. 373 K =.......°C D. 75°C =........K 12. A liquid boils at 351 K. What is this temperature in of 200g °C? 13. A weather forecast announces that the expected daytime temperature is 293 K. What is the temperature in °C? 14. Which is the greater temperature, 25 °C or 308 K? | |
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Понедельник, 2024-11-18, 1:22 AM
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