Which analysis indicates whether a particular element or compound is in the sample?
A. Qualitative analysis.
B. Quantitative analysis.
Chemical analysis.
D. Instrumental analysis.
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Modern analytical chemistry can be used for many fields, for example.
A. in industrial production
B. in evaluation of commodity quality
C. in health area and in the environment
D. above of all
can be used for determining molecular weight of a compound.
A. HPLC
B. MS
C. IR
D. HMR
Chemical analysis depends on.
A. chemical reaction
B. molecular weight
C. molecular forular
D. instrument
According to the traditional classification, analytical chemistry can be divided into and instrumental analysis.
A. mathmatics analysis
B. chemistry analysis
C. financial analysis
D. structure analysis
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