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Chemistry CBSE Live product
Class 9 (2026-27)
Exploring Mixtures and Their Separation
Separation Techniques: Sublimation, Centrifugation and Coagulation
1.
Sublimation
Question:
2
m.
Analyse
the questions given below and
identify
the correct answer:
1.
Which change correctly represents sublimation?
Solid → Gas directly
Liquid → Solid
Gas → Liquid
Solid → Liquid → Gas
2.
What happens to vapours during sublimation when they come in contact with a cold surface?
They disappear
They change directly into solid
They turn into liquid
They remain as gas
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