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2689697
Cation, Anion & Flame Tests
Description
GCSE Chemistry Quiz on Cation, Anion & Flame Tests, created by lisawinkler10 on 09/05/2015.
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chemistry
igcse
cation
anion
flame tests
chemistry
gcse
Quiz by
lisawinkler10
, updated more than 1 year ago
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Created by
lisawinkler10
over 9 years ago
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Resource summary
Question 1
Question
You acidify an anion in solution with Nitric Acid and then add aqueous Silver Nitrate. The result is a cream precipitate, what is the anion?
Answer
Iodide
Carbonate
Sulfate
Bromide
Chloride
Question 2
Question
You repeat the test, this time with the anion Chloride in solution. What is the result?
Answer
Yellow ppt.
Cream ppt.
Reddish-brown ppt.
White ppt.
Effervescence and Carbon Dioxide produced
Question 3
Question
The result of a solution with aqueous Sodium Hydroxide is a white ppt. which is insoluble in excess. What is the result with aqueous Ammonia?
Answer
White ppt. Insoluble in excess.
No (or very slight white ppt.)
White ppt. Soluble in excess.
Ammonia produced on warming.
Question 4
Question
What cation was this?
Answer
Aluminium
Calcium
Copper
Zinc
Question 5
Question
You hold a flame test loop at the edge of a bunsen burner flame. The flame turns orange. What metal does this indicate?
Answer
Sodium
Lithium
Calcium
Barium
Potassium
Copper
Question 6
Question
What metal is held in this flame?
Image:
463088d9-dfb3-474e-9582-797e4aa18f0d (image/jpg)
Answer
Lithium
Copper
Calcium
Potassium
Sodium
Barium
Question 7
Question
For Iron's oxidation state +2, what is the result with aqueous Sodium Hydroxide?
Answer
White ppt. Soluble in excess.
Yellow ppt. Soluble in excess.
Grey-Green ppt. Insoluble in excess.
Reddish-Brown ppt. Insoluble in excess.
Reddish-Brown ppt. Soluble in excess.
Question 8
Question
What is the test for Nitrate?
Answer
Add dilute acid
Add dilute Hydrochloric Acid, then aqueous Barium Nitrate
Add aqueous Sodium Hydroxide, then aluminium foil and warm carefully
Acidify with dilute Nitric Acid, then add aqueous Silver Nitrate
Question 9
Question
Which three cations have a white ppt. with both aqueous Sodium Hydroxide and aqueous Ammonia?
Answer
Aluminium
Zinc
Calcium
Copper
Iron(III)
Ammonium
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