TOPIC QUIZ: Qualitative and Quantitative Chemistry

What type of chemical analysis measures the percentage content of the component present in a given sample?

Quantitative method

Assay of Atropine in Belladonna is an example of:

Ultimate assay

A type of analysis that identifies the amount of a single chemical specie in a given sample

Ultimate assay

It refers to the nearness of a value to a target value.

Accuracy

The following are optical devices or instruments, except:

pH meter

The crude fiber of a drug is usually composed of

Cellulose

The indicator used in the assay of a weak acid reacting with a strong base

Phenolphthalein

Residual titration method is also known as:

Back Titration

Blank titration is carried out using the exact same titration procedure but in the absence of

Analyte

Measurement in volumetric analysis, except:

Molality

A type of titration process involving a change in the valence of the reacting substances

Oxidation-Reduction

The assay procedures in volumetric precipitation were introduced by the following scientists, except:

Arrhenius

Adsorption indicators are used in:

Volumetric Precipitation

What is the name of the originator who introduced the use of silver nitrate, 0.1N as the titrant and potassium chromate TS as the indicator in volumetric precipitation of chlorides?

Mohr

Ceric Sulfate is a/an:

Oxidizing Agent

Other name of ferric ammonium sulfate

Ferric alum and FeNH4(SO4)2

A branch of electrochemistry which deals with the study and measurement of electrode potential

Potentiometry

Potentiometry finds application in:

pH determination

It deals with the study of rotatory power of substances

Refractometry

It is used in the analysis of volatile substances

Gas chromatography

Widely used and preferred current assays of biological and pharmaceutical product is:

HPLC

The following are units of measurement generally used in spectrometry, EXCEPT:

millimeter

What special instrumental method is used in the assay of thiamine?

Fluorimetry

The primary standard used to standardize Karl Fischer reagent is:

Sodium tartrate