Common Names — Set 2
Chemistry · सामान्य नाम · Questions 11–20 of 60
What is the common name for Ferrous Sulfate Heptahydrate?
Correct Answer: D. Green vitriol
Ferrous sulfate heptahydrate is known as green vitriol because of its green crystals. It is used in the manufacturing of ink and as a nutritional supplement. Historically, it was called 'copperas' despite containing no copper.
Which chemical is known by the common name 'Spirit of Salt'?
Correct Answer: B. Hydrochloric acid
Hydrochloric acid was historically called spirit of salt by early chemists. It is a major component of gastric acid produced in the human stomach. It is widely used in the industry for pickling steel.
What is the common name of Calcium Hydroxide?
Correct Answer: C. Slaked lime
Calcium hydroxide is commonly known as slaked lime or milk of lime when in suspension. It is formed by the reaction of quick lime with water. It is used for white-washing and in the preparation of mortar.
Which compound is commonly known as 'Epsom Salt'?
Correct Answer: B. Magnesium sulfate
Magnesium sulfate heptahydrate is the chemical name for Epsom salt. It is used in bath salts to soothe sore muscles and as a fertilizer. It was named after a saline spring in Epsom, England.
What is the common name of Nitrous Oxide?
Correct Answer: C. Laughing gas
Nitrous oxide is commonly called laughing gas due to its euphoric effects. It is used in dentistry and minor surgery for its anesthetic properties. It is also an important greenhouse gas in the atmosphere.
Which substance is commonly known as 'Lunar Caustic'?
Correct Answer: D. Silver nitrate
Silver nitrate is known as lunar caustic because silver was traditionally associated with the moon. It is used in laboratories as a reagent and in making indelible ink. It can cause dark stains on the skin when exposed to light.
What is the common name for the compound Methane?
Correct Answer: A. Marsh gas
Methane is frequently called marsh gas because it is produced in wetlands. It is the main component of natural gas and biogas. It is a colorless and odorless hydrocarbon.
Which acid is commonly known as the 'King of Chemicals'?
Correct Answer: D. Sulfuric acid
Sulfuric acid is called the King of Chemicals due to its vast industrial applications. It is used in the manufacture of fertilizers, paints, and car batteries. The economic progress of a country is often measured by its consumption.
What is the common name of Ammonium Chloride?
Correct Answer: C. Sal ammoniac
Ammonium chloride is commonly known as sal ammoniac. It is used in dry cell batteries and as a flux in soldering metals. It undergoes sublimation when heated.
Which substance is commonly referred to as 'Brimstone'?
Correct Answer: D. Sulfur
Sulfur is historically and biblically referred to as brimstone. It is a yellow crystalline solid found in volcanic regions. It is primarily used to produce sulfuric acid.