2281.
General Science & Ability
What is the principal cause of ocean tides on Earth?
The gravitational pull of the Moon, with the Sun also contributing
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2282.
General Science & Ability
Which planet is the second-largest in the Solar System?
Saturn
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2283.
General Science & Ability
Which planet has the shortest orbital period around the Sun?
Mercury
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2284.
General Science & Ability
What is rust primarily associated with?
Oxidation/corrosion of iron in the presence of oxygen and moisture
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2285.
General Science & Ability
What is reduction in terms of electron transfer?
Gain of electrons
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2286.
General Science & Ability
What is oxidation in terms of electron transfer?
Loss of electrons
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2287.
General Science & Ability
What type of chemical bond involves atoms sharing electron pairs?
Covalent bond
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2290.
General Science & Ability
Why can evaporation occur below a liquid's boiling point?
Because molecules at the surface with sufficient kinetic energy can escape into the gas phase
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2291.
General Science & Ability
At standard atmospheric pressure, what is the freezing point of pure water on the Celsius scale?
0 °C
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2292.
General Science & Ability
At standard atmospheric pressure, what is the boiling point of pure water on the Celsius scale?
100 °C
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