๐งช
Chemistry Trivia
Discover mind-blowing chemistry facts that will shock your inner scientist! From explosive reactions to molecular mysteries - prepare to be amazed by chemical secrets that will fascinate you forever.
Filter by Difficulty
Questions (122 of 122)
๐กmedium
Which scientist named oxygen and helped overthrow the phlogiston theory?
๐ขeasy
The smell of rotten eggs is due to which gas?
๐กmedium
What is the name of the crystalline allotrope of carbon that is the hardest known natural material?
๐ขeasy
Which gas makes up the largest portion of Earth's atmosphere?
๐ดhard
What is the numerical value of the gas constant R in joules per mole kelvin to two decimals?
๐ขeasy
What is the chemical symbol for gold?
๐ขeasy
What sugar is the main energy source in blood?
๐กmedium
Which compound gives the smell of wintergreen?
๐ขeasy
Which gas do plants release during photosynthesis?
๐ขeasy
Which gas is essential for human respiration?
๐ขeasy
What is the common name for sodium hypochlorite solution?
๐ดhard
Which law states that the rate of diffusion of a gas is inversely proportional to the square root of its molar mass?
๐ขeasy
Which element is essential to thyroid hormones?
๐ขeasy
Which vitamin is also known as ascorbic acid?
๐ขeasy
What gas causes fizzy bubbles in soft drinks?
๐ขeasy
Which polymer is used for plastic bottles marked with the code PET?
๐กmedium
What is the IUPAC name for drinking alcohol?
๐ขeasy
What is the lightest element in the universe?
๐ขeasy
Which metal is liquid at room temperature?
๐ดhard
What is the percent mass of carbon in carbon dioxide to one decimal place?
๐ดhard
Which year did Marie Curie share the Nobel Prize in Chemistry for the discovery of radium and polonium?
๐ดhard
Which transition metal complex is famous for showing optical isomerism in a simple octahedral system?
๐กmedium
Which vitamin has a corrin ring with a central cobalt ion?
๐ขeasy
Which gas is known as laughing gas in dentistry?
๐กmedium
Which household chemical releases chlorine gas if mixed with acidic cleaners?
๐ดhard
Which spectroscopic transition gives the sodium D lines near 589 nanometers?
๐ขeasy
What chemical in antacids neutralizes stomach acid?
๐ขeasy
Which metal is added to steel to make stainless steel?
๐กmedium
Which buffer system maintains the pH of human blood near 7.4?
๐ดhard
What is the standard reduction potential in volts for the hydrogen electrode by definition?
๐ดhard
Which crystalline form of silica has the formula SiOโ and a framework of tetrahedra in a trigonal lattice?
๐ดhard
Which quantum number specifies the orientation of an orbital in space?
๐กmedium
What is the standard enthalpy change symbol used in thermochemistry?
๐กmedium
Which polymer is produced from tetrafluoroethylene monomers?
๐กmedium
Which gas is detected by the squeaky pop test when ignited?
๐ดhard
What is the formal oxidation state of manganese in the permanganate ion?
๐ขeasy
Dry ice is the solid form of which gas?
๐ดhard
Which rare gas forms a stable compound xenon hexafluoroplatinate reported by Bartlett in 1962?
๐ขeasy
What is the most abundant element in Earth's crust?
๐ขeasy
What is the chemical symbol for water?
๐กmedium
Which spectroscopic method measures absorption transitions in the infrared region?
๐ดhard
What is the coordination number of sodium ions in the rock salt structure?
๐ขeasy
What unit is commonly used for solution concentration?
๐กmedium
Which halogen is a liquid at room temperature?
๐ขeasy
Table salt is mostly composed of which compound?
๐กmedium
What laboratory acid mixture can dissolve gold?
๐กmedium
Which metal ion colors a flame bright green in a flame test?
๐ดhard
Which cryogenic liquid has a boiling point at one atmosphere near 77 K?
๐ดhard
What is the mass of one mole of aluminum in grams using standard atomic weight to two decimals?
๐ดhard
What is the space group of graphite hexagonal form?
๐กmedium
Which gas was first liquefied by Michael Faraday in 1823?
๐กmedium
What is the name of the constant equal to 6.022 ร 10ยฒยณ per mole?
๐ขeasy
Which noble gas is used in bright orange store signs?
๐ดhard
Who first arranged elements by increasing atomic number rather than atomic mass?
๐กmedium
What gas is produced when hydrochloric acid reacts with zinc metal?
๐กmedium
Which structural feature makes benzene unusually stable?
๐ขeasy
What measure describes the average kinetic energy of particles?
๐กmedium
What technique separates volatile compounds by differences in boiling points?
๐กmedium
Which gas is used to fill light bulbs to reduce filament evaporation?
๐ขeasy
Which acid gives vinegar its sharp smell and taste?
๐ขeasy
Rust forms when iron reacts with which substance?
๐ขeasy
Which element is used in pencils as the writing core?
๐ดhard
What magnetic behavior is shown by oxygen gas due to unpaired electrons?
๐กmedium
Which discovery in 1897 proved that atoms contain small negatively charged particles?
๐ขeasy
What particle carries a negative electric charge in atoms?
๐ขeasy
Which metal is commonly used for electrical wiring in homes?
๐กmedium
Which pair of elements forms a bronze alloy?
๐กmedium
Which technique determines molar mass by producing charged fragments?
๐กmedium
What is the principal component of limestone?
๐ดhard
Which isotope is used in radiocarbon dating for archaeological samples?
๐ดhard
Which organometallic catalyst system polymerizes ethylene with very high stereoregularity reported in the 1950s?
๐ดhard
What is the precise ground state term symbol for the oxygen atom using spectroscopic notation?
๐กmedium
Which acid is the main component of gastric juice?
๐กmedium
Which compound is responsible for the blue color of hydrated copper sulfate crystals?
๐ขeasy
Which element has the symbol Na on the periodic table?
๐ดhard
What lattice type does common table salt adopt in its crystalline form?
๐ขeasy
Which household chemical has the formula NaHCO3?
๐ขeasy
Which state of matter has a definite volume but no fixed shape?
๐ดhard
In the Haber-Bosch process what is the typical operating pressure reported in early plants?
๐ดhard
The Nernst equation relates cell potential to which quantity involving activities?
๐กmedium
What is the common name for ethanoic acid at five percent concentration?
๐ดhard
What is the Faraday constant in coulombs per mole to the nearest integer?
๐กmedium
What is the electron configuration of a neutral sodium atom?
๐ดhard
Which thermodynamic function is minimized at constant temperature and pressure for spontaneous change?
๐ดhard
Which year did Linus Pauling publish The Nature of the Chemical Bond first edition?
๐ขeasy
What is the common name for dihydrogen monoxide?
๐ขeasy
What lab glass is designed to resist thermal shock?
๐ดhard
In gas chromatography what is the usual function of the carrier gas?
๐ดhard
What is the name of the icosahedral carbon molecule discovered in 1985 with 60 atoms?
๐ดhard
Which ligand field splitting pattern applies to a tetrahedral complex of a first row metal?
๐กmedium
Which law states that volumes of gases at equal temperature and pressure react in simple integer ratios?
๐ดhard
Which chemist discovered palladium in 1803?
๐ขeasy
What is the pH of pure water at room temperature?
๐ขeasy
Which acid in car batteries provides the electrolyte?
๐ดhard
Which enzyme contains a zinc ion at its active site and catalyzes hydration of carbon dioxide?
๐ดhard
Which reagent transforms primary alcohols into aldehydes without over-oxidation under mild conditions?
๐ดhard
Which method determines crystal structures by measuring diffraction of monochromatic radiation?
๐ขeasy
Which metal is extracted from bauxite ore?
๐ขeasy
What is the primary component of natural gas?
๐ดhard
Which reagent gives a positive result for aldehydes as a silver mirror on glassware?
๐กmedium
Which element forms a bright purple vapor when heated?
๐ดhard
Which chemist first synthesized urea from ammonium cyanate in 1828?
๐ดhard
Which analytical technique uses a deuterium lamp to measure atomic absorption in solutions?
๐กmedium
Who proposed the planetary model of the atom in 1913?
๐กmedium
Which process turns vegetable oils into spreadable margarine?
๐ดhard
What is the Debye unit used to measure in molecular spectroscopy?
๐ขeasy
What is the chemical formula for table sugar?
๐กmedium
Which enzyme in saliva speeds up the breakdown of starch to sugars?
๐ดhard
Which metal has the highest electrical conductivity at room temperature among pure elements?
๐ดhard
Which rule predicts the maximum number of electrons in a shell as 2nยฒ?
๐กmedium
Which acid is used in the lead storage battery as the electrolyte?
๐กmedium
Which dye did William Perkin accidentally discover in 1856?
๐กmedium
Which gas is responsible for the ozone layer that absorbs ultraviolet radiation?
๐กmedium
Which metal was first isolated by electrolysis by Humphry Davy in 1807?
๐ขeasy
What gas is used in balloons that float safely?
๐ดhard
Which year did Mendeleev publish the first widely recognized periodic table?
๐กmedium
Which chemist isolated oxygen in 1774?
๐ดhard
What is the pKa at 25ยฐC of acetic acid to two decimal places?
๐ขeasy
Which acid is found in lemons and limes?
๐ดhard
In 1911 which experiment by Geiger and Marsden led Rutherford to propose a dense atomic nucleus?
๐กmedium
Which bond is strongest among typical covalent single bonds in water?
๐กmedium
What is the term for a reaction that absorbs heat from surroundings?
0%
0/0
๐Click here to share your score
Explore More Trivia
Find other topics and categories to test your knowledge