Which of the following is the lightest metal:
A. Mercury
B. Lithium
C. Uranium
D. Strontium
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Chemistry Mcqs
Volume of an atom is calculated by using:
A. Atomic mass and density
B. Atomic number and electron count
C. Atomic radius and formula for the volume of a sphere
D. Charge and energy levels
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Which base is employed as the electrolyte in alkaline fuel cells?
A. Calcium hydroxide
B. Potassium hydroxide
C. Petroleum
D. Ammonium hydroxide
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The acid used in a car battery is:
A. Sulfuric acid
B. Nitric acid
C. Hydrochloric acid
D. Acetic acid
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