Multiple Choice Question Answer VII — task. Science CBSE, Class 9.

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1. When an incense stick is lit in one corner of the room, the aroma is felt equally in all parts of the room. This is due to

Sublimation
Combustion
Diffusion
Evaporation

2. Conversion of solid to gas is called

Liquefaction
Vapourisation
Sublimation
Condensation

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