Easy One Liner MCQ Quiz on Basic Chemical Formulas of Compounds. We covered all the Easy One Liner MCQ Quiz on Basic Chemical Formulas of Compounds in this post for free so that you can practice well for the exam.
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Easy One Liner MCQ Quiz on Basic Chemical Formulas of Compounds for Students
The PVC coating on conductor wire prevents
Short Circuit
Sodium or potassium salts of carboxylic acid are called
Soap
The general formula of soap is
RCOONa
Soap is produced by the reaction of glycerol with alkali
Glycerol with alkali
A byproduct of soap is
Glycerin
Soap contains antiseptic properties due to the presence of
Soap-free soap is called
Detergent
Alfred Nobel invented
Dynamite
Potassium Nitrate is mainly found in gunpowder
Potassium Nitrate
What is RDX?
An explosive
Fireworks contain various salts to produce different colors. Which salt is responsible for the green color in fireworks?
Barium
Mica is the ore of which minerals
Mica
Sulfide ores are roasted to convert them into oxides at a high temperature. This process is called
Roasting
Galena is the ore of
Lead
The chief ore of copper is
Chalcopyrite
The material that conducts electricity in a molten state is called
Electrolyte
The process of refining metals by using their oxides is called
Poling
The process of heating ores in the presence of oxygen is called
Roasting
The froth flotation method is used for the concentration of which ore?
Sulfide
Gypsum is an example of
Sulfate
Bakelite is an example of
Insulator
A polymer used in flooring and tile making is
Polyvinyl chloride (PVC)
What mixture is used to purify gold?
Aqua regia
Which chemical element is required to electrolytically purify iron?
Manganese
Thin steel sheets can be made from?
Iron
Which natural phenomenon causes the most damage to objects made of iron and steel in forests and jungles?
Rust
What happens when iron is left exposed to moist air?
It forms a red-brown layer called rust
To make iron oxide, …reacts with steam
Iron
When ferrous sulfate crystals are heated in a test tube, the products formed are
Ferric Oxide + Water + Sulfur Dioxide + Sulfur Trioxide
The chemical formula of Iron (I) Oxide is
Fe₂O₃
The chemical formula of Ferrous Sulfate Crystals is
FeSO₄·7H₂O
When hydrochloric acid is added to iron filings, the products formed are
Hydrogen gas and Ferric Chloride
The atomic number of an element is 26. The element is
Iron (Fe)
The color of rust is
Red-brown
The chemical formula of Ferrous Chloride is
FeCl₂
A patient suffering from hyperacidity can be given which antacid for relief?
Mg(OH)₂
When magnesium burns in the presence of oxygen, the product formed is
Magnesium Oxide
The symbol for magnesium is
Mg
Magnesium milk is used in
Antacid
When magnesium ribbon burns with a bright white flame and turns into a ….colored powder
White
MgCl₂ dissolves in
Water
The dissolution of MgO is
Neutral
Magnesium hydroxide is prepared by mixing magnesium oxide with water
Magnesium Hydroxide
For which purpose is alum used
To purify water
The chemical formula K₂SO₄ represents
Potassium Sulfate
The chemical symbol for which element is derived from the Latin word ‘Kalium’?
Potassium
Used for water purification
Alum
An example of ‘alum’ is
Potash alum
The chemical formula of Potassium Nitrate is
KNO₃
This metal needs to be stored in oil
Potassium
An important ore of boron is
Monazite
The lead ore is
Galena
An important ore of copper is
Malachite
Bleaching powder is not used for
Making bread
When gypsum is heated at 373K, it loses water of crystallization and converts into Calcium Sulfate Hemihydrate
Plaster of Paris
Atomic number …… forms a basic oxide
20
The color of the residue formed when carbon dioxide is passed through a solution of calcium hydroxide
White
In gypsum, the number of water molecules present as water of crystallization is
Two
The chemical name of lime water is
Calcium Hydroxide
Gypsum is a/an
Chemically precipitated sedimentary rock
The formula of calcium phosphate is
Ca₃(PO₄)₂
Calcium forms
Teeth
Limestone is a/an
Calcium Carbonate
The most active ingredient in bleaching powder is
Calcium Hypochlorite
The chemical name of chalk is
Calcium Carbonate
The atomic number of calcium is
40
Calcium oxide is used as a drying agent for ionic compounds
Calcium Oxide
The correct formula of calcium hydroxide is
Ca(OH)₂
What is formed when calcium oxide reacts with water?
Slaked lime
What is the bleaching agent present in bleaching powder?
Chlorine
What is gypsum converted into when dissolved in water?
Calcium sulfate hemihydrate
What is the formula of lime used to make slaked lime?
CaO
What is the chemical name of slaked lime?
Calcium hydroxide
What is quicklime also called?
Calcium oxide
What is the chemical formula of calcium oxide?
CaO
What is the chemical formula of calcium hydroxide?
Ca(OH)₂
What is the chemical formula of gypsum?
CaSO₄·2H₂O
What is the chemical formula of Plaster of Paris?
CaSO₄·½H₂O
Which is the most ductile metal?
Gold
Which element is known as the noble metal?
Gold
In which solvent does gold dissolve?
Aqua regia
Which is the most ductile metal?
Silver
What compound is formed when Ag reacts with chlorine?
Silver chloride
Which metal is found in nature in its free form?
Silver
What metal is used in photographic films?
Silver
What happens when silver chloride is exposed to sunlight?
It turns black due to decomposition
Which metal is the best conductor of electricity?
Silver
What happens when silver bromide is exposed to sunlight?
Bromine gas is released
Calcium sulfate hemihydrate is known as?
Plaster of Paris
In the given chemical reaction, what is the total number of atoms present in the products? Zn + H₂SO₄ → ZnSO₄ + H₂
8 atoms
What is the chemical process in which limestone is heated to produce lime and carbon dioxide?
Decomposition reaction
What is Mohr’s salt, used as a reliable source of ferrous ions in analytical chemistry?
FeSO₄(NH₄)₂SO₄·6H₂O
What is the chemical formula of marble (calcium carbonate)?
CaCO₃
What is a wrong statement about Plaster of Paris?
It is also known as calcium sulfate dihydrate
What is the correct formula for bleaching powder?
CaOCl₂
Which chemical is used to make plaster from gypsum?
Calcium sulfate dihydrate (CaSO₄·2H₂O)
What is used to make quicklime (calcium oxide) from limestone?
Calcium hydroxide
What is the chemical name for X, which is formed by heating gypsum and used for setting fractures?
Plaster of Paris
At what temperature is Plaster of Paris made?
100°C
What is used to make the shiny finish on walls?
Calcium carbonate
What substance, X, is used by doctors to set fractures by keeping bones in place?
Plaster of Paris
What is the correct statement about Plaster of Paris?
It does not change when exposed to water
Plaster of Paris is made from?
Gypsum
What is the second name of Calcium Oxide?
Quicklime
When carbon dioxide gas is passed through lime water, due to the formation of ….. this turns milky
CaCO₃
Which potassium salt is obtained as a byproduct during alcohol fermentation?
Potassium bitartrate
Which element listed below is a member of the actinide series?
Thorium
Which process involves heating a solid until it vaporizes and then condensing the vapor back into a solid on a cool surface?
Sublimation
Which organic acid has four carbon atoms and is found in butter?
Butyric acid
Identify the element that belongs to both Group 1 and Group 17.
Hydrogen
Which element from the boron family has a high melting point, making it suitable for recording temperature extremes?
Gallium
What is the chemical formula for the aldehyde group?
–CHO
Which organic compound is an alkaloid and has been found in tea, coffee, and chocolate?
Caffeine
What is the IUPAC name of ethyl bromide?
3-Bromopropane
Which scientist proposed the law of octaves?
John Newlands
What is the chemical name for the 1,3-isomer of benzenediol?
Resorcinol
What is another name for methyl ethyl ketone?
2-Butanone
What is the name of calcium sulfate hemihydrate?
Plaster of Paris
What should be applied on a bee sting and a wasp sting, respectively?
Baking soda for a bee sting and vinegar for a wasp sting
What is the process of forming a thick layer of oxide on aluminum called?
Anodization
Which metal reacts with oxygen to form a protective oxide layer, preventing further corrosion?
Aluminum
What metal is most abundant in the earth’s crust?
Aluminum
What is the chemical name for Al₂(SO₄)₃, commonly used as a coagulant?
Aluminum sulfate
What is the percentage of oxygen in I₂(SO₄)₃?
56.1%
What chemical compounds are used in black-and-white photography?
Silver chloride and silver bromide
Which element reacts with silver, causing it to turn black?
Sulfur
What are the main components of Portland cement?
CaO, SiO₂, Al₂O₃, Fe₂O₃
Which element with atomic number 35 has a dark red-brown color and a strong, irritating smell?
Bromine
Which is the most reactive metal?
Sodium
Alexander Williamson
Edward Davis
Which chemical compound is used to preserve the color and protect food and beverages from bacteria?
Potassium metabisulfite
Which is the most common volcanic ash mineral, also found in geysers and hot springs?
Cinnabar
According to IUPAC nomenclature, which functional group –OH is characteristic of a compound that typically has a bent shape similar to water?
Which S-block element is a silver-white metal used in the manufacture of gyroscopic springs, electrical contacts, and non-sparking tools when alloyed with copper and nickel?
Beryllium
Which functional group with the formula R–X is typically substituted by Group 17 elements in organic compounds?
Alkyl halides
Identify a solid form of carbon known for its slippery feel and layered structure.
Graphite
What is the chemical formula of ethene?
C₂H₄
The application of KMnO₄ is associated with which process: producing carboxylic acid directly from alcohol?
Oxidation reaction
What is the primary component of biogas?
Methane
Which chemical compound with the formula C₃H₄O is primarily used in the production of acrylic acid and its derivatives?
Acrolein
What is the primary salt dissolved in seawater?
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Sodium chloride
Which IUPAC group of compounds contains halogens?
Halohydrocarbons
Alkenes
Why can’t we write CINA instead of NaCl for the chemical formula of sodium chloride?
The rule is to write the name of the metal first
What type of chemical reaction occurs when acetic acid and baking soda react?
Neutralization
What is the chemical formula of ammonia?
NH₃
What is the simple chemical formula for calcium oxide?
CaO
Which organic compound is used to neutralize fatty acids and convert them into soap through saponification?
Sodium hydroxide
What is the chemical name of N₂O₅?
Dinitrogen pentoxide
Which compound is responsible for the spicy taste in chili peppers?
Capsaicin
Which food item has a pH between 2 and 3, making it acidic?
Lemon juice
Which organic compound, with the formula CHCl₃, changes into gas quickly when exposed to air?
Chloroform
What is the chemical formula of baking soda?
NaHCO₃
Name a sublimable substance that can transition from solid to gas without passing through a liquid phase.
Naphthalene
Salty water is saturated with which ionic compound?
Sodium chloride
What is the most common cause of the yellowing of the Taj Mahal?
Acid rain
What is the chemical name of the saturated aqueous solution of calcium hydroxide?
Limewater
Which white powder, commonly found in modern kitchens, produces carbon dioxide when mixed with acid?
Sodium bicarbonate
What is the function of the endoplasmic reticulum (ER)?
Lipid synthesis and transportation
Which sulfur compound is used to extend the shelf life of fresh meats and sausages?
Sodium metabisulfite
Which rule applies only to calcium ions in the context of the octet rule?
Ca
What is the chemical formula of water?
H₂O
What is the formula for common salt?
NaCl
What is the formula of carbon dioxide?
CO₂
What is the formula of methane?
CH₄
What is the chemical formula of ammonia?
NH₃
What is the formula of sulfuric acid?
H₂SO₄
What is the formula of hydrochloric acid?
HCl
What is the formula of nitric acid?
HNO₃
What is the formula of calcium carbonate?
CaCO₃
What is the formula for glucose?
C₆H₁₂O₆
What is the formula for ethanol?
C₂H₅OH
What is the formula of acetic acid?
CH₃COOH
What is the formula for baking soda?
NaHCO₃
What is the formula of bleaching powder?
Ca(OCl)₂
What is the chemical formula of lime water?
Ca(OH)₂
What is the formula for quicklime?
CaO
What is the formula of rust?
Fe₂O₃·xH₂O
What is the formula of ozone?
O₃
What is the formula of hydrogen peroxide?
H₂O₂
What is the formula of laughing gas?
N₂O
What is the chemical formula of gypsum?
CaSO₄·2H₂O
What is the formula of washing soda?
Na₂CO₃·10H₂O
What is the formula of Epsom salt?
MgSO₄·7H₂O
What is the formula for sugar (sucrose)?
C₁₂H₂₂O₁₁
What is the formula for potassium permanganate?
KMnO₄
What is the formula of chloroform?
CHCl₃
What is the formula for hydrogen sulfide?
H₂S
What is the formula for sodium hydroxide?
NaOH
What is the formula of potassium hydroxide?
KOH
What is the formula for nitric oxide?
NO
What is the formula for carbon monoxide?
CO
What is the formula for calcium chloride?
CaCl₂
What is the formula for magnesium oxide?
MgO
What is the formula for aluminum sulfate?
Al₂(SO₄)₃
What is the formula for zinc sulfate?
ZnSO₄
What is the formula for copper(II) sulfate?
CuSO₄
What is the formula for silver nitrate?
AgNO₃
What is the formula of lead(II) nitrate?
Pb(NO₃)₂
What is the formula of ferrous sulfate?
FeSO₄
What is the formula for ammonium nitrate?
NH₄NO₃
What is the formula for ammonium chloride?
NH₄Cl
What is the formula for sodium carbonate?
Na₂CO₃
What is the formula for sodium thiosulfate?
Na₂S₂O₃
What is the formula for barium sulfate?
BaSO₄
What is the formula for calcium phosphate?
Ca₃(PO₄)₂
What is the formula for magnesium hydroxide?
Mg(OH)₂
What is the formula for phosphoric acid?
H₃PO₄
What is the formula for acetic anhydride?
(C₂H₃O)₂O
What is the formula for ethylene glycol?
C₂H₆O₂
What is the formula for potassium chloride?
KCl
What is the formula for sodium nitrate?
NaNO₃
What is the formula for calcium sulfate?
CaSO₄
What is the formula for aluminum chloride?
AlCl₃
What is the formula for copper(II) chloride?
CuCl₂
What is the formula for sodium bicarbonate?
NaHCO₃
What is the formula for potassium bromide?
KBr
What is the formula for calcium hydroxide?
Ca(OH)₂
What is the formula for lithium carbonate?
Li₂CO₃
What is the formula for sodium sulfate?
Na₂SO₄
What is the formula for potassium iodide?
KI
What is the formula for magnesium sulfate?
MgSO₄
What is the formula for zinc oxide?
ZnO
What is the formula for copper(II) oxide?
CuO
What is the formula for iron(III) oxide?
Fe₂O₃
What is the formula for potassium dichromate?
K₂Cr₂O₇
What is the formula for sodium acetate?
NaC₂H₃O₂
What is the formula for sodium chloride?
NaCl
What is the formula for potassium nitrate?
KNO₃
What is the formula for calcium nitride?
Ca₃N₂
What is the formula for iron(II) sulfate?
FeSO₄
What is the formula for potassium carbonate?
K₂CO₃
What is the formula for sodium hydroxide in solid form?
NaOH
What is the formula for ferric chloride?
FeCl₃
What is the formula for sodium phosphide?
Na₃P
What is the formula for magnesium carbonate?
MgCO₃
What is the formula for sodium silicate?
Na₂SiO₃
What is the formula for copper(II) sulfate pentahydrate?
CuSO₄·5H₂O
What is the formula for sodium chromate?
Na₂CrO₄
What is the formula for potassium permanganate in solid form?
KMnO₄
What is the formula for calcium acetate?
Ca(C₂H₃O₂)₂
What is the formula for potassium carbonate?
K₂CO₃
What is the formula for lithium hydroxide?
LiOH
What is the formula for silicon dioxide?
SiO₂
What is the formula for calcium phosphate dihydrate?
Ca₃(PO₄)₂·2H₂O
What is the formula for ammonium sulfate?
(NH₄)₂SO₄
What is the formula for zinc chloride?
ZnCl₂
What is the formula for copper(I) oxide?
Cu₂O
What is the formula for calcium fluoride?
CaF₂
What is the formula for sodium chromate dihydrate?
Na₂CrO₄·2H₂O
What is the formula for potassium ferrocyanide?
K₄[Fe(CN)₆]
What is the formula for sodium thiosulphate pentahydrate?
Na₂S₂O₃·5H₂O
What is the formula for calcium nitrite?
Ca(NO₂)₂
What is the formula for magnesium nitride?
Mg₃N₂
What is the formula for sodium oxalate?
Na₂C₂O₄
What is the formula for calcium chloride dihydrate?
CaCl₂·2H₂O
What is the formula for potassium hydrogen tartrate?
KHC₄H₄O₆
What is the formula for sodium amide?
NaNH₂
What is the formula for potassium sulfide?
K₂S
What is the formula for ammonium chromate?
(NH₄)₂CrO₄
What is the formula for sodium dichromate?
Na₂Cr₂O₇
What is the formula for barium chloride?
BaCl₂
What is the formula for magnesium hydroxide in solid form?
Mg(OH)₂
What is the formula for nickel(II) sulfate?
NiSO₄
What is the formula for potassium chloride in aqueous form?
KCl(aq)
What is the formula for aluminum oxide?
Al₂O₃
What is the formula for copper(II) acetate?
Cu(C₂H₃O₂)₂
What is the formula for lead(II) acetate?
Pb(C₂H₃O₂)₂
What is the formula for sodium aluminate?
NaAlO₂
What is the formula for magnesium hydroxide solution?
Mg(OH)₂(aq)
What is the formula for copper(I) sulfate?
Cu₂SO₄
What is the formula for potassium sulfate?
K₂SO₄
What is the formula for sodium permanganate?
NaMnO₄
What is the formula for potassium dichromate solution?
K₂Cr₂O₇(aq)
We covered all the Easy One Liner MCQ Quiz on Basic Chemical Formulas of Compounds above in this post for free so that you can practice well for the exam.
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