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Science Quiz Bowl Difficult Round

A vibrant and engaging illustration of various scientific concepts including chemistry, geology, and physics, featuring elements like test tubes, minerals, and abstract representations of atomic structures against a colorful background.

Challenging Science Quiz Bowl

Test your knowledge with our difficult science quiz, designed for those who love to challenge themselves! Covering a wide array of topics from chemistry to geology, this quiz will push your understanding to the limits.

Are you ready to:

Explore intricate scientific principles?
Deepen your understanding of materials and their properties?
Engage with thought-provoking questions?

10 Questions2 MinutesCreated by TestingFalcon27

When petroleum is refined it is subject to a number of processes including cracking. During the cracking process:

Lighter hydrocarbons are combined to form heavier ones

Heavy hydrocarbons are broken up into lighter ones

Lighter hydrocarbons are separated by distillation

Oxygen is used to burn the heavier hydrocarbons

Which of the following is an important element of stainless steel?

Chromium

Magnesium

Copper

Nickel

An alloy consisting mainly of tin and lead is called:

Brass

Bronze

Pewter

Chrome

The process by which a substance absorbs moisture upon exposure to the atmosphere is called:

Efflorescence

Deliquescence

Dehydrogeneration

Desalination

The radioactive element most commonly detected in humans is:

Potassium

Cobalt

Iodine

Plutonium

In the united states, coal is the energy source that produces the highest percentage of our electricity. Second is:

Hydropower

Oil

Nuclear energy

Solar energy

Recent discoveries of ancient cratering near the Yucatan Peninsula support the theory that a meteor or cometary impact may have resulted in mass extinctions of species on Earth about 65 million years ago. During which geologic period is that impact thought to have occured?

Permian

Triassic

Jurassic

Cretaceous

Some physicians suggest that women supplement their diets with antiacids to supply additional amounts of a certain element thought to reduce the risk of osteoporosis. The ingredient in antacids which provides this element is:

Calcium carbonate

Aluminum hydroxide

Magnesium hydroxide

Simethicone

In the Tyndall Effect, the intensity of scattered radiation is inversely proportional to the fourth power of the wavelenght. Which one of the following colors of light would exhibit the most intense Tyndall scattering?

Yellow

Green

Orange

Violet

TCDD (2,3,6,7-tetrachlorodibenzo(p)dioxin) is toxic synthetic chemical. The most consistent adverse effect observed in exposed humans is:

Liver cancer

Birth defects

Disfiguring skin eruption

An exaggerrated sense of well being

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