This online test for class 7 chemistry covers key topics such as condensation, sublimation, and physical changes. It assesses understanding of chemical properties and transformations, focusing on gases, sublimation, and irreversible changes.
Sublimation
Deposition
Liquefaction
Crystallization
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Physical and reversible change
Physical and irreversible change
Physical and desirable change
Physical and undesirable change
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Nitrogen
Oxygen
Carbon-dioxide
Chlorine
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Physical change
Chemical change
Both 1 and 2
None of these
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