Marolix Technology Solutions QA QC Chemist Interview Questions and Answers

Molarity is the number of moles of solute in one litre of solution, while molality is the number of moles of solute in one kilogram of solvent.

• Molarity is expressed in moles per litre (mol/L), while molality is expressed in moles per kilogram (mol/kg).

• Molarity is temperature dependent due to volume changes, while molality is temperature independent.

• Molarity is commonly used in laboratory settings, while molality is use...read more

UV spectroscopy is used to analyze the electronic transitions in molecules by measuring the absorption of ultraviolet or visible light.

• UV spectroscopy is commonly used in pharmaceutical industry for drug analysis and quality control.

• It is also used in environmental testing to detect pollutants in water and air.

• UV spectroscopy can be used to determine the concentration of a compound in a sample.

• It helps in identifying f...read more

Qualitative analysis focuses on properties and characteristics, while quantitative analysis measures quantities and amounts.

• Qualitative analysis determines the presence or absence of a substance, while quantitative analysis determines the amount of a substance.

• Qualitative analysis is descriptive, while quantitative analysis is numerical.

• Qualitative analysis is used to identify unknown substances, while quantitative ana...read more