Agoho 2 4th Quarter Exam In Science 10

50 Questions

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Agoho 2 4th Quarter Exam In Science 10


Questions and Answers
  • 1. 
    Which of the following scientists studied the relationship between the volume and temperature of    gas at constant pressure?
    • A. 

      Robert Boyle

    • B. 

      Jacques Charles

    • C. 

      Michael Faraday

    • D. 

      Gay - Lussac

  • 2. 
    Which law explains the mechanism of a pressure cooker?
    • A. 

      Boyle's Law

    • B. 

      Charles' Law

    • C. 

      Gay - Lussac's Law

    • D. 

      Ideal Gas Law

  • 3. 
    What will happen to the volume of a confined gas as the pressure increases if the temperature of the gas is kept constant?
    • A. 

      The volume increases

    • B. 

      The volume decreases

    • C. 

      The volume remains the same

    • D. 

      There is no significant change

  • 4. 
    Which of the following figures represents Charles' Law?
    • A. 

      Option 1

    • B. 

      Option 2

    • C. 

      Option 3

    • D. 

      Option 4

  • 5. 
    If a balloon full of warm air was placed in a refrigerator, the balloon would ______.
    • A. 

      Get larger

    • B. 

      Remains the same

    • C. 

      Get smaller

    • D. 

      Burst

  • 6. 
    What property of gas is best described when a gas tank is filled and more gases can still be added?
    • A. 

      Gas is elastic

    • B. 

      Gas can be compressed

    • C. 

      Gas diffuses

    • D. 

      Gas exerts pressure

  • 7. 
    Which of the following activities involves the application of gas pressure?
    • A. 

      Burning gas

    • B. 

      Inflating balloons

    • C. 

      Cooking food

    • D. 

      Gas exerts pressure

  • 8. 
    A balloon filled with helium occupies 15 L at 400 K. What will be the volume of the helium balloon if the temperature of the helium is increased to 600 K? (Assume that the pressure is held constant)
    • A. 

      10 L

    • B. 

      22.5 L

    • C. 

      32.5 L

    • D. 

      50 L

  • 9. 
     How will you represent water molecules at 1000C? 
    • A. 

      Option 1

    • B. 

      Option 2

    • C. 

      Option 3

    • D. 

      Option 4

  • 10. 
    Gas molecules are trapped in the space below the piston. The piston can move up and down in the cylinder. The cylinder is resting on a hot plate. If the hot plate is turned on what would happen to the volume of the gas?
    • A. 

      The volume increases

    • B. 

      The volume decreases

    • C. 

      The volume remains the same

    • D. 

      There is no significant change

  • 11. 
    Suppose the piston is fastened so that it could not move. When the hot plate is turned on, what would happen to the pressure of the gas? It will
    • A. 

      Decrease

    • B. 

      Increase

    • C. 

      Stay the same

    • D. 

      None of these

  • 12. 
    What will happen to the gas pressure as the temperature increases if the amount and volume of gas were kept constant?
    • A. 

      The pressure increases

    • B. 

      The pressure decreases

    • C. 

      There is no significant change

    • D. 

      The gas pressure remains the same

  • 13. 
    What can be inferred regarding the relationship between pressure and volume as shown in the Line graph below?
    • A. 

      Volume is independent of pressure.

    • B. 

      Volume is directly proportional to the pressure.

    • C. 

      ​​​​​​Volume is inversely proportional to the pressure.

    • D. 

      ​​​​​​Volume is not affected by a change in pressure

  • 14. 
    What will happen to the volume of the gas sample as temperature increases from 100 K to 150K?
    • A. 

      Volume of the gas increases

    • B. 

      Volume of the gas remains the same

    • C. 

      Volume of the gas decreases

    • D. 

      Volume of the gas cannot be determined

  • 15. 
    What is the volume of the gas sample when the temperature is 150 K?
    • A. 

      1 L

    • B. 

      2 L

    • C. 

      3 L

    • D. 

      4 L

  • 16. 
    A gas sample occupies a volume of 100 mL at a pressure of 3.0 atm at 20.00C. What is the new pressure if the volume is increased to 150 mL at constant temperature?
    • A. 

      5.0 atm

    • B. 

      4.5 atm

    • C. 

      2.0 atm

    • D. 

      1.5 atm

  • 17. 
    All the following steel containers have the same size. Which of the following containers has the highest pressure?
    • A. 

      1 mole

    • B. 

      2 mole

    • C. 

      3 mole

    • D. 

      4 mole

  • 18. 
    How can you possibly prove that gases have negligible mass?
    • A. 

      Support your claim through equation.

    • B. 

      Ask two persons to hold a box filled with air

    • C. 

      Feel the weight of the samples on both hands

    • D. 

      Put a balloon on a balance which can measure up the nearest hundredths of a gram before and after you fill it with air

  • 19. 
    A gas sample occupies a volume of 125 mL at a pressure of 720 torr at 20.00C. What is the new pressure if the volume is increased to 250 mL at the same temperature?
    • A. 

      1440 torr

    • B. 

      720 torrr

    • C. 

      360 torr

    • D. 

      375 torr

  • 20. 
    Which of the following is a disaccharide?
    • A. 

      Fructose

    • B. 

      Galactose

    • C. 

      Glucose

    • D. 

      Sucrose

  • 21. 
    Which of the following pairs of monosaccharide form lactose sugar?
    • A. 

      Glucose + Fructose

    • B. 

      Glucose + Galactose      

    • C. 

      Glucose + Glucose

    • D. 

      Fructose + Galactose

  • 22. 
    The molecular formula for a monosaccharide is C6H12O6. Which of the following is an isomer of glucose?
    • A. 

      Fructose

    • B. 

      Lactose

    • C. 

      Maltose

    • D. 

      Sucrose

  • 23. 
    Which of the following is a major source of Carbohydrates?
    • A. 

      Apple

    • B. 

      Milk

    • C. 

      Potato

    • D. 

      Vegetables

  • 24. 
    The end product of proteins digested in our body is amino acids. Which of the following is the function of amino acids in the body?
    • A. 

      Make fatty acids

    • B. 

      Make skin, hair, enzymes and muscles  

    • C. 

      Make vitamins

    • D. 

      Produce quick energy

  • 25. 
    When digesting a complex carbohydrate, water is added and simple sugar is produced. Which of the following describes the process?
    • A. 

      Condensation

    • B. 

      Dehydration

    • C. 

      Hydrolysis

    • D. 

      Photosynthesis

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