QUIZ 1: ANALYTICAL CHEMISTRY

What is analytical chemistry?

• the area of chemistry responsible for characterizing the composition of matter on qualitatively measurement.

• the area of chemistry responsible for characterizing the composition of matter on qualitatively and quantitative measurement.

• the area of chemistry responsible for characterizing the composition of matter on quantitative measurement.

A qualitative test will reveal....

• identity of a material
• amount of a sample
• usefulness of a compound
• purity of a substance

..................... based on measurement of the interaction between electromagnetic radiation and analyte atoms or molecules.

• Chromatographic methods

• Spectroscopic methods

Which one is type of spectrophotometer?

• UV-Vis Spectrophotometer

• HPLC

• GCMS

• LC

It is the study that involves how we analyze the chemical components of a sample

• Physical Chemistry

• Analytical Chemistry

• Organic Chemistry

• Inorganic Chemistry

The physical separation of mixtures into individual components is..

• chromatography

• spectroscopy

• spectrum

• electromagnetic radiation

Which tool measures liquid volume?

• Test tube
• Beaker
• Graduated cylinder

What is the volume of the liquid in the picture

• 35 mL

• 35 grams

• 35 cm³

• 35 L

What tool is used to measure mass?

• Graduated cylinder

• Meter stick

• Triple beam balance

• Digital electronic balance

How many mL of stock solution of 2M NaCl do you need to prepare 100 mL of 0.150M NaCl?

• 7.5 mL

• 15 mL

• 1333 mL

• 200 mL