WorksheetsQUIZ 1: ANALYTICAL CHEMISTRY
Total questions: 20
Worksheet time: 18mins
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.
..................... 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
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
The term molar, which describes a solution's concentration, is written as?
M
mol
g
g/L
Calculate the Molarity in a solution containing 40.0 g of NaCl dissolved in 500.0 ml of H2O. (MW = 58.45)
0.08 M
12.5 M
1.37 M
0.74 M
Molarity is ...
grams of solute/deciliters of solvent.
grams of solute/liters of solution.
moles of solute/liters of solution.
moles of solute/milliliters of solvent.
A solution is made by dissolving 0.50 mole of NaCl in enough water to give a final volume of 400.0 mL. What is the molarity of the solution?
0.10 M
0.40 M
1.25 M
2.33 M
Qualitative analysis reveals.....................
identify of the elements and compounds in a sample
the amount (numerical) of each substance in a sample
Analytical measurements are made using instrumentation is a............................
classical methods
instrumental methods
Instrumental methods are indirect, so the detecting instrument requires ....................... to make sure the response initially from a sample with a ............... concentration of analyte.
response, unknown
calibration, known
There are six steps in a quantitative analysis. The first step is.........................
design experimental procedure
identify and define problem
analysis
select method
What the equipment used for drying samples in higher temperatures up to 1700deg?
Dessicator
Muffle furnace
Conventional drying ovens
Microwave oven
