Invitational Questions

When zinc metal reacts with sulfuric acid, which substance is oxidized?

• zinc

• hydrogen

• sulfur

• oxygen

Mintaka, a star in Orion’s belt, has a declination of 0. If you measure the altitude of Mintaka to be 50 degrees as it crosses the local meridian, your latitude is ___.

• +50 degrees

• -50 degrees

• +40 degrees

• -40 degrees

The oxidation number of oxygen in NaO2 is ___.

• -3

• -2

• -1

• -1/2

Which person listed is generally considered the founder of modern binomial nomenclature?

• Aristotle

• Linnaeus

• Pliny the Elder

• Pliny the Younger

On the first night of winter, the altitude angle of Polaris is measured by the quadrant to be 49 degrees above the horizon. Your latitude is ___.

• 41 degrees

• 49 degrees

• 64.5 degrees

• 72.5 degrees

Which of the following is not a reducing agent?

• CO

• H2

• Na

• Cl2

The educational background of Maria Sibylla Merian might be described as which below?

• university-trained zoologist

• student of the well-known German taxonomist, Conrad Gessner

• artist, engraver, and painter

• trained educator and university professor

At noon on the first day of spring, the altitude of the Sun is 32 degrees. Your latitude is ___.

• 58 degrees

• 34.5 degrees

• 32 degrees

• -58 degrees

When Cs reacts with chlorine gas to produce cesium chloride, the cesium is ___.

• reduced

• oxidized

• synthesized

• electrolyzed

Which individual is most associated with modern phylogenetic analysis?

• Carolus Linnaeus

• Willi Hennig

• Canrad Gessner

• Carl von Linne