When a solid substance disappears completely as a gas on ...
When a solid substance disappears completely as a gas on heating, the substance is said to have undergone
evaporation
distillation
crystallization
sublimation
Correct answer is D
No explanation has been provided for this answer.
In the periodic table all elements within the same group have the same ...
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Which of the following is used to study the arrangement of particles in crystal lattices? ...
The number of hydroxonium ions produced by one molecule of an acid in aqueous solution is its ...
The repeating unit in natural rubber is ...