What does -COOH symbolize?
A. Hydroxyl group
B. Carboxyl group
C. Carbonyl group
D. Amino group
Given enough time, unstable nuclei will:
A. lose protons.
B. evolve.
C. decay into a stable form.
D. degrade into a further unstable form.
The process by which silver nitrate and potassium chloride yields silver chloride and potassium nitrate is an example of which type of chemical reaction?
A. synthesis
B. combustion
C. double displacement
D. single displacement
A scientist discovers an atom of sodium in its natural state. The scientist knows that the oxidation number of this atom is most likely:
A. 0.
B. 1.
C. 2.
D. 3.
How many glucose molecules are required to balance the following reaction:
_C6H12O6 + 24O2 -> 24CO2 + 24H2O + Energy
A. 4
B. 8
C. 16
D. 24
List these common radiation types from weakest to strongest in terms of penetrability: Alpha, Beta, and Gamma radiation.
A. Alpha, Beta, Gamma
B. Beta, Alpha, Gamma
C. Gamma, Beta, Alpha
D. Gamma, Alpha, Beta
A chemical drain cleaner that contains sodium hydroxide would be:
A. acidic
B. alkaline
C. neutral
D. none of the above
Which of the following subatomic particles are found inside of an atom's nucleus?
A. Electrons, neutrons, protons
B. Neutrons, protons
C. Electrons, protons
D. Electrons
Which of the following saccharides are commonly associated with the sweet taste of fruit?
A. Glucose.
B. Fructose.
C. Lactose.
D. Galactose.
Foods such as oils, milk, and butter contain high amounts of:
A. proteins.
B. carbohydrates.
C. calcium.
D. lipids.
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