WorksheetsFC CHEM 4
Total questions: 52
Worksheet time: 26mins
A homogeneous mixture of two or more substances is a(n);
Element
Compound
Suspension
Solution
The reaction of a fat or oil (triglyceride) with a strong base to produce glycerol and soap is called:
Esterification
Hydrolysis
Combustion
Saponification
A monosaccharide contains a ketone group as its most oxidized functional group. It is classified as a(n):
Aldose
Ketose
Hexose
Pentose
Who is often called the "father of modern chemistry" for his work on the law of conservation of mass and the system of chemical nomenclature?
John Dalton
Robert Boyle
Antoine Lavoisier
Joseph Priestley
What is the common name for dinitrogen monoxide (N2O), a gas known for its anesthetic and euphoric effects?
Laughing gas
Tear gas
Nitrous air
Marsh gas
The chemical symbol 'Au' for gold is derived from what Latin word?
Argentum
Aurum
Aurantium
Aurelius
Which element is the most abundant in the Earth's crust by mass?
Silicon
Aluminum
Iron
Oxygen
What is the approximate bond angle of a water molecule (H2O)?
90°
104.5°
109.5°
180°
Which element was discovered by Hennig Brand in 1669 while he was attempting to create the Philosopher's Stone from urine?
Sulfur
Mercury
Phosphorus
Zinc
Muriatic acid is the common industrial name for which chemical?
Sulfuric acid
Nitric acid
Acetic acid
Hydrochloric acid
Who is regarded as the "father of organic chemistry" for synthesizing an organic compound (urea) from an inorganic reactant in 1828?
Friedrich Kekulé
Friedrich Wöhler
Jöns Jacob Berzelius
Justus von Liebig
What is the common name for methanol (CH3OH), historically produced by the destructive distillation of wood?
Grain alcohol
Rubbing alcohol
Wood alcohol
Denatured alcohol
The distinct smell of rotten eggs is primarily caused by which sulfur-containing compound?
Sulfur dioxide
Carbon disulfide
Hydrogen sulfide
Dimethyl sulfide
What is the approximate boiling point of n-pentane (C5H12)?
0 °C
36 °C
69 °C
100 °C
Formic acid, the simplest carboxylic acid, gets its name from the Latin word formica, which means what?
Ant
Bee
Vinegar
Plant
The structure of which aromatic compound was famously conceived by August Kekulé in a dream of a snake biting its own tail?
Toluene
Naphthalene
Benzene
Phenol
Bakelite, one of the first plastics made from synthetic components, is a polymer of which two chemicals?
Ethylene and Propylene
Phenol and Formaldehyde
Styrene and Butadiene
Vinyl Chloride and Acetate
Who were the two scientists credited with discovering the double helix structure of DNA in 1953?
Hershey and Chase
Meselson and Stahl
Watson and Crick
Pauling and Corey
Which of the following is an essential amino acid, meaning it cannot be synthesized by the human body and must be obtained from the diet?
Alanine
Serine
Lysine
Glycine
A deficiency of Vitamin C (ascorbic acid) leads to which disease, historically common among sailors?
Scurvy
Beriberi
Pellagra
Rickets
What is the common name for sucrose, a disaccharide composed of glucose and fructose?
Blood sugar
Milk sugar
Fruit sugar
Table sugar
Which molecule serves as the primary, short-term energy currency of the cell?
Glucose
Adenosine triphosphate (ATP)
Deoxyribonucleic acid (DNA)
Glycogen
What is the name of the bond that links amino acids together to form proteins?
Glycosidic bond
Ester bond
Peptide bond
Hydrogen bond
Which element is named after the Greek word for "stone," lithos, because it was first discovered in a mineral?
Silicon
Calcium
Lithium
Potassium
The Haber-Bosch process, developed in the early 20th century, is the primary industrial method for producing what chemical?
Sulfuric Acid
Ammonia
Chlorine Gas
Sodium Hydroxide
What is the common name for sodium bicarbonate (NaHCO3), a compound widely used in baking and as an antacid?
Caustic Soda
Washing Soda
Baking Soda
Soda Ash
Which of the noble gases is the most abundant in the Earth's atmosphere, making up about 0.93% by volume?
Neon
Helium
Krypton
Argon
The brilliant crimson color of fireworks is typically produced by the combustion of salts of which element?
Strontium
Barium
Copper
Sodium
Aqua regia, known for its ability to dissolve gold and platinum, is a mixture of which two acids?
Sulfuric acid and Nitric acid
Hydrochloric acid and Sulfuric acid
Nitric acid and Hydrochloric acid
Acetic acid and Nitric acid
Who is credited with the development of the modern periodic table, arranging elements by atomic mass and leaving gaps for undiscovered elements?
Dmitri Mendeleev
Lothar Meyer
Henry Moseley
John Newlands
The suffix "-ane" in a hydrocarbon's name, such as in "methane" or "ethane," signifies what?
The presence of only single bonds
The presence of a double bond
The presence of a triple bond
The presence of a benzene ring
What is the common name for ethanoic acid, the main component of vinegar besides water?
Formic acid
Acetic acid
Butyric acid
Citric acid
Chloroform, an early anesthetic, has the IUPAC name trichloromethane. What is its chemical formula?
CH3Cl
CH2Cl2
CHCl3
CCl4
What is the approximate boiling point of n-octane (C8H18), a major component of gasoline?
98 °C
126 °C
151 °C
174 °C
The process of converting a liquid vegetable oil into a solid or semi-solid fat (like margarine) is known as what?
Saponification
Esterification
Hydrogenation
Fermentation
Who discovered polyethylene in 1933, the world's most common plastic?
Leo Baekeland
Wallace Carothers
Roy Plunkett
Eric Fawcett and Reginald Gibson
A deficiency of Vitamin B1, also known as thiamine, results in which disease?
Scurvy
Pellagra
Rickets
Beriberi
The process by which messenger RNA (mRNA) is synthesized from a DNA template is called what?
Translation
Transcription
Replication
Transamination
Who first crystallized and determined the structure of a protein (hemoglobin) using X-ray crystallography, earning a Nobel Prize in Chemistry in 1962?
Linus Pauling
Frederick Sanger
Max Perutz
Dorothy Hodgkin
The Ostwald process is an industrial method used to produce which important acid from ammonia?
Sulfuric acid
Hydrochloric acid
Nitric acid
Phosphoric acid
What is the common name for calcium sulfate dihydrate (CaSO4⋅2H2O), a mineral used to make plaster and drywall?
Quicklime
Gypsum
Limestone
Epsom salt
Which element is unique in that its most common isotope, protium, has a nucleus containing no neutrons?
Helium
Lithium
Hydrogen
Carbon
The Frasch process was a method for extracting which element from underground deposits by melting it with superheated water?
Sodium
Sulfur
Phosphorus
Lead
Which element was named after the Greek word selenē, meaning "moon," because it was often found associated with tellurium (named after tellus, "earth")?
Antimony
Selenium
Cadmium
Indium
What is the name for a substance that can act as both an acid and a base, such as water?
Isotonic
Amphoteric
Isomeric
Allotropic
The reaction of an alcohol with a carboxylic acid in the presence of an acid catalyst produces an ester and water. What is this reaction called?
Saponification
Fischer Esterification
Grignard Reaction
Friedel-Crafts Acylation
What is the common name for 2-propanol (CH3CH(OH)CH3), a common solvent and disinfectant?
Wood alcohol
Grain alcohol
Ethylene glycol
Rubbing alcohol
The distinctive smell of nail polish remover is due to which common organic solvent?
Toluene
Acetone
Formaldehyde
Diethyl ether
What is the approximate boiling point of n-decane (C10H22)?
126°C
151°C
174°C
196°C
Who is credited with the invention of nylon, the first commercially successful synthetic thermoplastic polymer, in the 1930s?
Leo Bakeland
Wallace Carothers
Hermann Staudinger
Giulio Natta
Butyric acid, a carboxylic acid with four carbon atoms, is responsible for the characteristic smell of what?
Rancid butter
Green apples
Pineapples
Lemons
The process of breaking down large hydrocarbon molecules into smaller, more useful ones(like in oil refining) is called what?
Cracking
Reforming
Polymerization
Alkylation
