Qualitative analysis of salts
Authored by YAP Moe
Chemistry
4th Grade
Used 54+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Heating aluminium carbonate relesase ........... gas
Oxygen
carbon dioxide
Nitrogen
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Heating lead (II) nitrate will produce ............ , ............... and oxygen
lead (II) carbonate, carbon dioxide
lead (II) oxide, nitrogen
lead (II) oxide, nitrogen dioxide
lead (II) oxide, nitrogen monoxide
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The colour of copper (II) oxide is.....
white
black
green
brown
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
..................... is yellow when hot, white when cold
lead (II) oxide
zinc oxide
potassium oxide
copper (II) oxide
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When adding sodium hydroxide solution, a white precipitate is formed which insoluble in excess. The possible ions are....
calcium, magnesium
calcium, aluminium
zinc, magnesium
aluminium, zinc
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Blue precipitate insoluble in excess of sodium hydroxide solution, the possible ion present is.......
iron (II)
iron (III)
copper (II)
lead (II)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Brown precipitate that insoluble in excess in ammonia solution. The possible ion is......
copper (II)
iron (II)
iron (III)
lead (II)
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