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
• **Green vitriol** = Ferrous sulfate heptahydrate is known as green vitriol because of its green crystals. • (Contextual detail from explanation) • 💡 Wrong-option analysis: A: Blue vitriol; B: White vitriol; C: Oil of vitriol
Which chemical is known by the common name 'Spirit of Salt'?
Correct Answer: B. Hydrochloric acid
• **Hydrochloric acid** = Hydrochloric acid was historically called spirit of salt by early chemists. • (Contextual detail from explanation) • 💡 Wrong-option analysis: A: Sulfuric acid; C: Nitric acid; D: Acetic acid
What is the common name of Calcium Hydroxide?
Correct Answer: C. Slaked lime
• **Slaked lime** = Calcium hydroxide is commonly known as slaked lime or milk of lime when in suspension. • (Contextual detail from explanation) • 💡 Wrong-option analysis: A: Quick lime; B: Chalk; D: Limestone
Which compound is commonly known as 'Epsom Salt'?
Correct Answer: B. Magnesium sulfate
• **Magnesium sulfate** = Magnesium sulfate heptahydrate is the chemical name for Epsom salt. • (Contextual detail from explanation) • 💡 Wrong-option analysis: A: Zinc sulfate; C: Sodium sulfate; D: Calcium sulfate
What is the common name of Nitrous Oxide?
Correct Answer: C. Laughing gas
• **Laughing gas** = Nitrous oxide is commonly called laughing gas due to its euphoric effects. • (Contextual detail from explanation) • 💡 Wrong-option analysis: A: Tear gas; B: Natural gas; D: Water gas
Which substance is commonly known as 'Lunar Caustic'?
Correct Answer: D. Silver nitrate
• **Silver nitrate** = Silver nitrate is known as lunar caustic because silver was traditionally associated with the moon. • (Contextual detail from explanation) • 💡 Wrong-option analysis: A: Potassium nitrate; B: Mercury nitrate; C: Lead nitrate
What is the common name for the compound Methane?
Correct Answer: A. Marsh gas
• **Marsh gas** = Methane is frequently called marsh gas because it is produced in wetlands. • (Contextual detail from explanation) • 💡 Wrong-option analysis: B: Oil gas; C: Producer gas; D: Noble gas
Which acid is commonly known as the 'King of Chemicals'?
Correct Answer: D. Sulfuric acid
• **Sulfuric acid** = Sulfuric acid is called the King of Chemicals due to its vast industrial applications. • (Contextual detail from explanation) • 💡 Wrong-option analysis: A: Phosphoric acid; B: Hydrochloric acid; C: Nitric acid
What is the common name of Ammonium Chloride?
Correct Answer: C. Sal ammoniac
• **Sal ammoniac** = Ammonium chloride is commonly known as sal ammoniac. • (Contextual detail from explanation) • 💡 Wrong-option analysis: A: Alum; B: Borax; D: Hypo
Which substance is commonly referred to as 'Brimstone'?
Correct Answer: D. Sulfur
• **Sulfur** = Sulfur is historically and biblically referred to as brimstone. • (Contextual detail from explanation) • 💡 Wrong-option analysis: A: Carbon; B: Iodine; C: Phosphorus