BAS analysis methods

Which analysis methods use special equipment to register an analytical signal?

• classical

• instrumental

in which methods qualitative analysis is carried out separately from quantitative and based on chemical analysis?

• classical

• instrumental

Visible changes in the object of study (precipitation, color change, etc.) or a change in the parameters of measuring instruments (deviation of the instrument pointer, change in digital readout, the appearance of a line in the spectrum, etc.) is called ...

• qualitative analysis

• quantitative analysis

• analytical signal (response)

• analysis parameters

What method of analysis is based on measuring the volume of spent reagent with a known concentration?

• spectrophotometry

• titrimetry

• gravimetry

• IR-spectroscopy

What method of analysis is based on measuring the exact mass of a substance after calcination?

• spectrophotometry

• titrimetry

• gravimetry

• IR-spectroscopy

What group of methods of analysis is based on the interaction of substance with electromagnetic radiation?

• classical methods

• spectroscopy

• chromatography

• electrochemical methods

In which group of analysis methods is quantitative and qualitative analysis carried out simultaneously?

• classical

• instrumental

You need to determine the total acid content of the extract by titrimetry. What reagent can be used as a titrant?

• hydrochloric acid

• sodium hydroxide

• both options are true

• both options are false

What method of analysis is based on the vibration of molecules when absorbing infrared radiation?

• spectrophotometry

• chromatography

• IR-spectroscopy

• voltammetry

What group of methods of analysis is based on the distribution of substances between the mobile and stationary phases?

• spectroscopy

• electrochemical methods

• chromatography

• classical methods