Common Names — Set 4
Chemistry · सामान्य नाम · Questions 31–40 of 60
Which substance is commonly called 'Oil of Vitriol'?
Correct Answer: C. Sulfuric acid
• **Sulfuric acid** = Concentrated sulfuric acid is known as oil of vitriol. • (Contextual detail from explanation) • 💡 Wrong-option analysis: A: Hydrochloric acid; B: Acetic acid; D: Nitric acid
What is the common name for the compound Sucrose?
Correct Answer: B. Cane sugar
• **Cane sugar** = Sucrose is commonly known as cane sugar or table sugar. • (Contextual detail from explanation) • 💡 Wrong-option analysis: A: Fruit sugar; C: Milk sugar; D: Grape sugar
Which chemical is known as 'Horn Silver'?
Correct Answer: C. Silver chloride
• **Silver chloride** = Silver chloride is called horn silver because of its appearance in mineral form. • (Contextual detail from explanation) • 💡 Wrong-option analysis: A: Silver nitrate; B: Silver iodide; D: Silver bromide
By which common name is Sodium Chloride (NaCl) most widely known in everyday use and referred to in chemistry as well as general conversation?
Correct Answer: B. Common salt
• **Common salt** = Sodium chloride (NaCl) is most widely known as "common salt" or "table salt" in everyday use. • (Contextual detail from explanation) • 💡 Wrong-option analysis: A: Rock salt; C: Brine; D: Caustic soda
Which compound is commonly known as 'Borax'?
Correct Answer: C. Sodium borate
• **Sodium borate** = Sodium tetraborate decahydrate is the chemical name for borax. • (Contextual detail from explanation) • 💡 Wrong-option analysis: A: Potassium borate; B: Ammonium borate; D: Calcium borate
What is the common name for Potassium Nitrate?
Correct Answer: D. Nitre
• **Nitre** = Potassium nitrate is commonly called nitre or saltpetre. • (Contextual detail from explanation) • 💡 Wrong-option analysis: A: Rock salt; B: Chile saltpetre; C: Glauber's salt
Which acid is found in vinegar and is known as 'Glacial' when pure?
Correct Answer: D. Acetic acid
• **Acetic acid** = Acetic acid is the main component of vinegar. • (Contextual detail from explanation) • 💡 Wrong-option analysis: A: Tartaric acid; B: Citric acid; C: Formic acid
What is the common name of Magnesium Sulfate Heptahydrate?
Correct Answer: D. Epsom salt
• **Epsom salt** = Magnesium sulfate heptahydrate is known as Epsom salt. • (Contextual detail from explanation) • 💡 Wrong-option analysis: A: Glauber's salt; B: Blue vitriol; C: White vitriol
Which substance is commonly known as 'Aqua Regia'?
Correct Answer: C. A mixture of HCl and HNO3
• **A mixture of HCl and HNO3** = Aqua regia is a mixture of concentrated hydrochloric acid and nitric acid in a 3:1 ratio. • (Contextual detail from explanation) • 💡 Wrong-option analysis: A: Hydrochloric acid only; B: Sulfuric acid; D: Nitric acid only
What is the common name of Calcium Sulfate Dihydrate?
Correct Answer: A. Gypsum
• **Gypsum** = Calcium sulfate dihydrate is commonly known as gypsum. • (Contextual detail from explanation) • 💡 Wrong-option analysis: B: Plaster of Paris; C: Chalk; D: Limestone