29 Questions
What is the color of the flame caused by calcium chloride when viewed through cobalt glass?
Violet
Which zone of a nonluminous Bunsen flame consists largely of incandescent carbon?
Upper oxidizing zone
What color does Tl impart to the nonluminous Bunsen flame?
Crimson
In the micro scale of qualitative analysis, by what factor is the quantity of a substance employed reduced?
10
Which substance may be indicated by a metallic deposit obtained after sublimation?
Mercury (I) iodide
What color does Sb impart to the nonluminous Bunsen flame?
Brick red
What is the term for an entity providing a pair of electrons in a coordinate covalent bond?
Donor species
Which group of element hydroxides in aqueous solutions has the greatest alkalinity in nature?
Group IA
Among the Group IA elements, which one does not follow the trend of increasing oxidation potentials?
Sodium
What is an advantage of using Benedict’s solution over Fehling’s solution?
The citrate solution in Benedict’s reagent is a better sequestering agent
What is the chemical name for Thenard’s blue?
Sodium cobaltnitarate
Which substance is also known as White Precipitate?
Calomel
Which route of administration is approved for administering Iron Dextran Injection?
Intravenous
Which metal will not react with acids to produce hydrogen?
Bismuth
What does a white precipitate after the addition of excess ammonium carbonate indicate?
Group II cations
How is a basic or 'sub' salt prepared?
A and B
Which substance is efflorescent in nature?
Epsom salt
Which condition has not been treated with gold?
Nondisseminated lupus erythematosus
Which element occurs lowest in the electromotive series of metals?
Strontium
Which metal reacts with acids to produce hydrogen?
Nota
What type of salt is potassium alum an example of?
Double salt
Which compound is an example of a sparingly soluble acetate salt in water?
Lead acetate
In the presence of what, does yellow mercuric oxide turn red?
Light
What is corrosive sublimate?
$\text{MgCl}_2$
What compound is recommended as the calcium salt electrolyte replenisher due to its 1:1 ratio of calcium to phosphorus?
Tribasic calcium phosphate
What mixture, made by boiling lime and sublime sulfur, is used as an antifungal agent?
Scabicide
Which solution refers to Nordhausen acid?
Fuming sulfuric acid
What can prevent the precipitation of copper salts?
Sequestering agents
Which option correctly describes reduced iron?
Passes through sieve No. 80
Test your knowledge on the upper oxidizing zone of a nonluminous Bunsen flame, detecting less volatile substances, and identifying the color imparted by Sb in the flame. Choose the correct answers from the options provided.
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