1. He was one of the famous hot-air balloonists that and one of the few who flew the world's first hydrogen
balloon flight.
a. Anton Van Leuwenhoek
b. Jacques Charles
2. What type of force was present in flying a hot air balloon high up in the sky?
d. Robert Boyle
c. Marie Curie
a. Air Resistance Force
b. Buoyant Force
c. Centripetal Force
d. Frictional Force
3. In converting Celsius to Kelvin, what formula are you going to use?
a. K= C+239.12 b. K=C+212.12
c. K= C+273.25
d. K= C + 314.12
4. In Boyle's law, what will happen when the volume increased, what will happen to the pressure?
a. It will remain constant
b. It will increase
c. It will decrease
d. None
5. In Charles' law, what will happen to the pressure if the volume and the temperature increased?
a. It will be maintained b. It will increase c. It will decrease d. It will be proportional
6. The
temperature scale must be used in all gas laws.
a. Celsius b. Fahrenheit c. Kelvin d. Rankine
7. Which of the following properties of gas is the result of the collision of gas particles with the walls of the
container?
a. Amount of gas
b. Pressure c. Temperature d. Volume
8. Which of the following changes will result to a decrease in gas pressure?
a. Adding more gas particles
b. Increasing the volume of the container
c. Liquefying the gas particles
d. Increasing the volume of the container
9. It is a simple microscopic model that effectively explains the gas laws.
a. The Big Bang Theory
b. The Kinetic Molecular Theory
c. The Kineto-Magnetic Theory
d. The Relativity Theory
10. The following expresses a direct proportionality EXCEPT:
a. As n increases, P increases
b. As n increases, V increases
c. As P increases, V decreases
d. As T decreases, P decreases
11. Which of the following characteristics best describes gas?
a. Gases are lighter than air
b. Gases have high densities
c. Gases exhibit similar chemical behaviour
d. Gases do not have definite shape and volume​
12. They are the polymers of amino acids.
her of the correct answer and write it on the space provided before each number
a. Enzymes b. Mucusc. Proteins d. Phospholipids 13. It is biological catalyst.
c. Proteins d. Phospholipids
a. Enzymes b. Mucus
14. In human nutrition, it is the most important source of carbohydrates form in plants.
a. Calcium b. Nitrogen c. Sugar d. Starch
15. It is the simplest sugar and the basic sub unit of a carbohydrate.
d. None of these
a. Disaccharides b. Monosaccharides c. Polysaccharides
16.
are probably the most abundant amd widespread organic substances in nature.
d. Molecules
c. Lipids
b. Enzymes
a. Carbohydrates​


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