Chemistry P Block Elements Sulphur Allotropic Forms Online Exam Quiz
Chemistry P Block Elements Sulphur Allotropic Forms GK Quiz. Question and Answers related to Chemistry P Block Elements Sulphur Allotropic Forms. MCQ (Multiple Choice Questions with answers about Chemistry P Block Elements Sulphur Allotropic Forms
What is the oxidation number of sulfur in dithionous acid?
Options
A : -3
B : +3
C : +6
D : -6
What percentage of Earth’s mass is sulfur?
Options
A : 3%
B : 5%
C : 0.032%
D : 2%
What is the transition temperature of alpha- and beta-sulfur?
Options
A : 369 °C
B : 369 °F
C : 95.9 °C
D : 95.9 °F
Which characteristic of crude petroleum is a consequence of sulfur?
Options
A : Acidity
B : Sourness
C : Alkalinity
D : Foul odor
When a flask containing sodium thiosulfate is placed over a paper marked with ‘X’ and HCl added to it, the ‘X’ seems to disappear when looked through the flask. Why?
Options
A : Because of formation of sodium chloride
B : Because of sulfur precipitating
C : Because of release of yellowish chlorine gas
D : Because of dissolution of sulfur
What are pyrites known as fool’s good?
Options
A : Because of sulfides
B : Because of lead
C : Because of carbonates
D : Because of iron
What is the name of the process of extracting sulfur on commercial scale?
Options
A : Bosch process
B : Boyle process
C : Ostwald process
D : Frasch process
Who first recognized sulfur as an element?
Options
A : John Dalton
B : Humphry Davy
C : Louis Pasteur
D : Antoine Lavoisier
Which is a more vital source of elemental sulfur?
Options
A : Oceans
B : Wind
C : Soil
D : Volcanoes
What is the chemical structure and formula of sulfur?
Options
A : S8, S
B : S, S8
C : S, S
D : S8, S8
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