When naphthalene on heating changes from the solid state ...
When naphthalene on heating changes from the solid state directly to the gaseous state it undergoes
evaporation
sublimation
decomposition
combustion
ionisation
Correct answer is B
No explanation has been provided for this answer.
The active reducing agent in the blast furnace for the extraction of iron is? ...
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Which of the following is the electronic configuration of sodium? (Atomic number of Na = 11) ...
The negatively charged particle in an atom is the ...
What is the colour of phenolphthalein indicator in a basic medium? ...