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Analytical Methods Questions - All Grades

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Grade 10 Analytical Methods
Filtration is a method used by chemists to separate                       .
  1. solid-liquid mixtures
  2. solid-solid mixtures
  3. liquid-gas mixtures
  4. liquid-liquid mixtures
Grade 8 Analytical Methods
A test for oxygen can be performed with                   .
  1. a burning match
  2. clear lime water
  3. litmus paper
  4. a glowing splinter
Grade 8 Analytical Methods
Which test is used to indicate the presence of CO2?
  1. Bromine Test
  2. Limewater Test
  3. Universal Indicator
  4. Pop Test
Grade 8 Analytical Methods
The pop test is used to indicate the presence of which gas?
  1. Oxygen
  2. CO2
  3. Hydrogen
Grade 9 Analytical Methods
What method could I use to separate a compound?
  1. using electricity
  2. smashing
  3. cutting
  4. filtering
Grade 10 Analytical Methods
The process of collecting a vaporized substance is                .
  1. suspension
  2. concentration
  3. molarity
  4. distillation
Grade 10 Analytical Methods
Distillation is a very effective way of isolating                 from seawater.
  1. chemicals
  2. freshwater
  3. nutrients
  4. solids
Grade 12 Analytical Methods
Complete the following reaction, which summarizes the gravimetric estimation of iron:

Fe3++3OH-→Fe(OH)3(s)
2Fe(OH)3(s)→
  1. Fe2O3(s)+3H2O
  2. Fe3O4+2H2O
  3. Fe2O3+2H2O
  4. Fe3O4+3H2O
Grade 10 Analytical Methods
The component of a system to be analyzed is called a(n)
  1. analyte.
  2. analyst.
  3. audit.
  4. precursor.
Grade 12 Analytical Methods
In gravimetric analysis, which of the following steps has to be carried out after the "drying" of the precipitate?
  1. Ignition and incineration
  2. Digestion
  3. Filtration
  4. Washing
Grade 10 Analytical Methods
Which chemical would NOT be Hazardous?
  1. A chemical with a Flash Point of 160°F
  2. A chemical with a pH of 1
  3. A chemical with 10% Benzene
  4. Waste Water with 150 ppm chromium
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