Question: 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
Chemistry P Block Elements Sulphur Allotropic Forms more questions
Why has nuclear energy become an inevitable option for the....
Why lions are apex predators in grassland ecosystem?
Why biodiversity is of great scientific value?
Why Greenpeace oppose the use of nuclear power?
Which of the following statements regarding fuel cells is false?
The circuits of NOR based S-R latch classified as asynchronous....
How can we say India as one of the bio-rich....
Why can coal not be used as a metallurgical fuel?
Why is implementation of stack operations on queues not feasible....
Why is Savonius rotor not suitable for installation?
Chemical Engineering Basics - Part 1 more Online Exam Quiz
Chemistry P Block Elements Ozone
Chemistry P Block Elements Phosphine
Chemistry P Block Elements Phosphorus Allotropic Forms
Chemistry P Block Elements Phosphorus Halides
Chemistry P Block Elements Simple Oxides
Chemistry P Block Elements Sulphur Dioxide
Chemistry P Block Elements Sulphuric Acid
Chemistry P Block Group 15 Elements