To test for ........................., an effervescence which turns red litmus paper to blue evolves.

Qualitative Analysis

Quiz
•
Chemistry
•
9th - 12th Grade
•
Medium
Evia Setyaningrum
Used 1+ times
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
hydrogen gas
ammonia gas
oxygen gas
chlorine gas
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What gas will be tested by placing a glowing wooden splinter into a test tube?
Nitrogen
Hydrogen
Oxygen
Carbon dioxide
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How to test sulphur dioxide gas?
Use damp blue litmus paper
Test with acidified potassium manganate (VII) solution
Use damp red litmus paper
Test with glass rod dipped into concentrated ammonia solution
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
When an aqueous solution of a salt Q was tested with alkali solutions, the following observations was obtained.
A white precipitate that is insoluble in an excess of sodium hydroxide solution NaOH.
No change on the addition of ammonia solution, NH3 to the salt solution.
What cation may be present in the salt?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following ion could give an insoluble white precipitate in excess sodium hydroxide solution, NaOH?
Magnesium ion, Mg2+
Aluminium ion, Al3+
Lead (II) ion, Pb2+
Zinc ion, Zn2+
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What gas is formed when ammonium chloride is warmed with aqueous sodium hydroxide?
Ammonia
Chlorine
Oxygen
Hydrogen
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which ion, in aqueous solution, forms a white precipitate when dilute sulfuric acid is added?
Ag+
Ba2+
Cu2+
Fe2+
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