Quiz 1 Ch2

Quiz
•
Chemistry
•
12th Grade
•
Medium
Ahmed wahab
Used 9+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Q1: Which of the following is not an example of qualitative chemical analysis?
Determining the concentration of a compound in a solution
Identifying the anionic groups in a compound
Identifying the functional group in a molecule
Determining the elemental composition of a molecule
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chemical analysis can be used to determine the amount of glucose present in a person. In which scientific field is this analysis important?
Environmental
Industrial
Medical
Food chemistry
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For each of the following anions, which statement best describes the experimental procedure used to test for it?
A sulfite anion
Adding an equal volume of dilute HCl
,followed by heating, which results in production of a gas that turns filter paper soaked in acidified aqueous K2Cr2O7
from orange to green.
Adding an equal volume of dilute NaOH
,followed by heating, which results in production of a gas that turns moist litmus paper blue
Adding an aqueous ammonia solution, which produces a yellow precipitate
Adding an equal volume of dilute nitric acid, followed by silver nitrate, which gives a white precipitate
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For each of the following anions, which statement best describes the experimental procedure used to test for it?A carbonate anion
Adding dilute NaOH
,which results in production of a gas that relights a glowing splint
Adding an equal volume of dilute nitric acid, followed by silver nitrate, which gives a white precipitate
Adding an aqueous ammonia solution, which produces a green precipitate
Adding dilute hydrochloric acid, which results in production of a gas that turns limewater cloudy
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The image shows a series of tests carried out on an unknown sodium salt, What formula is the unknown sodium salt likely to have?
Na3PO4
NaHCO3
Na2S
Na2S2O3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the solutions of sodium salts shown will not produce a gas when reacted with dilute aqueous HCl?
A
B
C
D
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A scientist wants to check for the presence of bicarbonate anions. They perform the following experiment:
Na2CO3
Na2O
Mg(HCO3)2
MgCO3
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