QUIZ BEE - Group Activity

Quiz
•
Chemistry
•
University
•
Easy
DENNIS PUNO
Used 4+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Because particles of colloidal dimensions scatter visible radiation, the path of the beam through the solution can be seen by the eye. What do you call this phenomenon?
Colloidal Suspension
Crystalline Suspension
Tyndall Effect
Precipitate
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What mass of Cu(IO3)2 can be formed from 0.650 g of CuSO4 · 5H2O?
1.706 g Cu(IO2 )3
1.076 g Cu(IO3 )2
1.076 g Cu(IO2 )3
1.706 g Cu(IO3 )2
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What mass of AgI can be produced from a 0.512-g sample that assays 20.1% AlI3?
0.718 g
0.817g
0.187 g
0.178 g
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which among the following is not a feature of Gravimetric Analysis?
A given analyte is isolated from the sample and weighed in some pure form.
Absolute analysis (no standard needed).
One of the most accurate and precise methods of macro quantitative analysis.
One of the newest methods known (before 1910).
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which among the following is not a factor that determines the particle size of precipitates?
Rate at which reactants are mixed
Solvent concentrations
Temperature
ppt solubility (Ksp)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It is a process by which a coagulated colloid returns to its dispersed state.
Adsorption
Peptization
Absorption
Precipitation
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A 0.2121-g sample of an organic compound was burned in a stream of oxygen, and the CO2 produced was collected in a solution of barium hydroxide. Calculate the percentage of carbon in the sample if 0.6006 g of BaCO3 was formed.
12.73% C
17.32% C
17.23% C
12.37% C
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