Overview
The process of converting a substance from a gaseous state to a liquid state is called:
a) Vaporization
b) Sublimation
c) Condensation
d) Freezing
Which of the following is an example of a second-order reaction?
a) A → B
b) A + B → C
c) 2A → B
d) A → B + C
The compound responsible for the sensation of heat in chili peppers is:
a) Capsaicin
b) Capsanthin
c) Capsorubin
d) Capsiate
Which of the following is a nonmetallic element that exists as a liquid at room temperature?
a) Bromine
b) Mercury
c) Phosphorus
d) Selenium
The process of converting a liquid into a gas below its boiling point is called:
a) Evaporation
b) Boiling
c) Condensation
d) Sublimation
Which of the following elements has the highest electronegativity?
a) Fluorine
b) Oxygen
c) Chlorine
d) Nitrogen
What is the shape of a molecule with a trigonal pyramidal molecular geometry?
a) Linear
b) Trigonal planar
c) Tetrahedral
d) Bent
The primary component of natural gas is:
a) Methane
b) Ethane
c) Propane
d) Butane
Which of the following is an example of a reversible reaction?
a) Combustion of methane
b) Hydrolysis of water
c) Rusting of iron
d) Formation of sodium chloride from sodium and chlorine
The phenomenon of a substance absorbing moisture from the atmosphere to form a solution is known as:
a) Efflorescence
b) Deliquescence
c) Sublimation
d) Hydration