Chemistry Trivia Questions
Total Questions: 38
Which element, represented by the symbol Ir, is one of the most corrosion-resistant metals known?
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iridium
Which element is diamond, the hardest known substance, composed of crystallized atoms of?
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carbon
What is the element with the symbol He that is the most difficult of all gases to liquefy?
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helium
Which element, with the symbol K, has compounds that are abundantly found in the Dead Sea?
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potassium
In the reaction represented by 4Fe + 3O2 yields 2Fe2O3, which substance undergoes oxidation?
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iron
Cane sugar is composed of carbon, hydrogen, and which other element?
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oxygen
To reduce pollution, which element, represented by the symbol Pb, was removed from gasoline?
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lead
Which element, poisonous in its pure form, is added to table salt as a compound?
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iodine
What substance is found in water in concentrated form to create brine?
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salt
Which element, with the symbol K, is a component of saltpeter along with nitrogen and oxygen?
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potassium
What yellow element, with the chemical symbol S, has compounds responsible for the scent of skunks?
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sulfur
What is the simplest aldehyde compound that is used to prevent the deterioration of protein-rich substances?
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formaldehyde
What colorless, flammable hydrocarbon, commonly found in gasoline, is referred to by a number indicating its rating?
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octane
Which noble gas emits an orange-red glow when an electric current passes through it?
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neon
What is the common gas in the atmosphere that mainly exists as a molecule consisting of 2 atoms?
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oxygen
Which radioactive element, discovered by Marguerite Perey and symbolized as Fr, was named after her country?
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francium
Which reddish metal has the symbol Cu and has 11 known isotopes, with 9 of them being radioactive?
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copper
What is the name of the synthetic rubber created in the 1920s by Julius Nieuwland when he polymerized acetylene and added chlorine atoms?
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neoprene
What type of resin is known for its strong adhesion and is derived from a term meaning 'upon oxygen'?
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epoxy
What term refers to a form of an element that has the same atomic number but a different atomic weight?
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isotope
What is the primary gas found in natural gas?
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methane
Which element, represented by the chemical symbol V, was named after the Scandinavian goddess of beauty?
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vanadium
What type of solution causes litmus paper to turn red?
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acid
What element, represented by the symbol Li and found in the periodic table right after helium, has the atomic number 3?
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lithium
What do you call an atom or group of atoms that possesses an electrical charge?
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ion
What is the most abundant element in Earth's hydrosphere by mass?
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oxygen
What metallic element has the chemical symbol Ag, derived from its Latin name argentum?
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silver
What is the state of matter of the lightest element lithium at room temperature?
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solid
What is the common name for trichloromethane, which was once widely used as an anesthetic?
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chloroform
What chemical compound, once widely used as an anesthetic, is represented by the formula CHCl3?
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chloroform
What fuel is carbonized in an oven to produce coke used in blast furnaces?
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coal
What is the process called that involves using reducing agents like carbon to extract metal from ore at high temperatures?
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smelting
Which element has only one electron in its K shell?
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hydrogen
What element has the symbol P and can exist in black, violet, or highly reactive white forms?
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phosphorus
Which element is represented by the symbol 'B', while argon was formerly abbreviated as 'A'?
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boron
In what state of matter are all inert elements naturally found?
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gas
What element, which is the second most common in the Earth's crust, is used to make transistors and microchips?
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silicon
What is the second-lightest metal that has the symbol K and is soft enough to be cut with a knife?
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potassium
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