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Sublimation

7 PYQ across 6 exams · 1981–2026 — the complete chronological timeline of how UPSC has tested this idea, oldest to newest.

CSE 1981 → CAPF 2016 → … → GEO 2026
19811 PYQ
CSEQ36
Why camphor disappears when kept on a plate?…
19911 PYQ
CSEQ30
Which of the following pairs of substances can be completely separated by sublimation?…
20161 PYQ
CAPFQ22
A change of state directly from solid to gas without changing into liquid state is called:…
20201 PYQ
CDSQ96
A mixture of sodium chloride (salt) and ammonium chloride can be separated by…
20222 PYQs
CISFQ63
Which one of the following substances shows sublimation behaviour or property at standard temperature and pressure ?…
NDAQ109
Dry ice is used on a performing stage to produce mist in air. The process involved is an example of…
20261 PYQ
GEOQ66
The conversion of naphthalene into naphthalene vapours is called…
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States of MatterSeparation techniques
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