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Q28
REVIEWMCQpage 8holdREVIEW_MISSING_SOLUTIONP3UNREVIEWEDtype=MCQ · page=8 · marks=1 · content_conf=0.7999999999999999 · math_conf=1
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In the CONTACT PROCESS for manufacturing sulphuric acid, the reaction converting SO2 to SO3 is
Options
- A.Exothermic and reversible
- B.Endothermic and reversible
- C.Exothermic and irreversible
- D.Endothermic and irreversible (1 Mark)
Answer
ASolution
(none)
Why review
Category:
REVIEW_MISSING_SOLUTION · Priority: P3 · Disposition: source_limitationNo Sol. marker in the question block (source limitation).
Suggested action: hold_for_missing_source_solution
Human review
state=
UNREVIEWED · resolution=— · trust=UNRESOLVED · WAVE-12 priority=P3Review actions
Writes a viewer overlay only. Never converts verification REVIEW into automatic PASS.
No overlay recorded yet.
Dimensions
- structureREVIEW
- question_textPASS
- optionsPASS
- answerPASS
- solutionREVIEW
- mathPASS
- cross_entityPASS
Issues
- missing_solution
- solution_absent