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Which of the following is normally done to convert the sample into the gaseous state?

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Which of the following is normally done to convert the sample into the gaseous state?

(a) Sample is pressurized

(b) Chemical reactions are made to occur

(c) Sample is heated

(d) Sample is cooled

The question was posed to me during an interview.

The query is from Components of Mass Spectrometer topic in portion Mass Spectrometer of Analytical Instrumentation

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Correct option is (c) Sample is heated

The explanation: The sample must always be in the gaseous state. Hence, the liquid sample must be heated before introducing them into the ionization chamber.

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