Question : What is the popular name for mercury(I) chloride used as a laboratory reagent and as a depolarizer in dry batteries?
Option 1: Calomel
Option 2: Phosgene
Option 3: Galena
Option 4: Saltpetre
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Correct Answer: Calomel
Solution : The correct answer is Calomel.
The popular name for mercury(I) chloride is calomel. Calomel is a white or yellowish-white powder that has been used as a laboratory reagent in medicine and as a depolarizer in dry batteries.
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Question : The chemical name of 'common salt' is
Option 1: Sodium chloride
Option 2: Sodium nitrate
Option 3: Ammonium chloride
Option 4: Calcium chloride
Question : Directions: Arrange the following words as per their order in a dictionary. 1. Launderette 2. Laughter 3. Laundry 4. Launch
Option 1: 4, 1, 2, 3
Option 2: 1, 3, 2, 4
Option 3: 4, 2, 1, 3
Option 4: 2, 4, 1, 3
Question : Directions: In the following question, arrange the following words as per their order in the dictionary. 1. Smoulder 2. Smother 3. Smuggle 4. Smudge
Option 1: 1, 2, 3, 4
Option 2: 1, 4, 3, 2
Option 3: 4, 3, 2, 1
Option 4: 2, 1, 4, 3
Question : Directions: In the following question, arrange the following words as per their order in the dictionary. 1. Intervention 2. Intertwine 3. Interview 4. Intervene
Option 1: 4, 3, 2, 1
Option 2: 2, 3, 4, 1
Option 3: 2, 4, 1, 3
Option 4: 3, 4, 1, 2
Question : Chloroform can be used as
Option 1: Analgesic
Option 2: Anaesthetic
Option 3: Antimalarial
Option 4: Antibiotic
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