Preparation of Copper Sulphate
Authored by M. Gunathilake
Chemistry
12th Grade
Used 9+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the base used to prepare copper sulphate?
Copper oxide
Sulfuric acid
Copper sulfate
Copper carbonate
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the acid used to prepare copper sulphate?
Copper oxide
Sulfuric acid
Copper sulfate
Copper carbonate
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of heating the sulfuric acid?
To make the reaction go faster
To dissolve the copper oxide
To neutralize the acid
To evaporate the water
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a base?
Any material that neutralizes an acid
A metal oxide
A metal carbonate
A metal hydroxide
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you tell if you have added excess copper oxide?
The solution turns blue
The solution turns black
The solution turns green
The solution turns red
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of filtering the mixture?
To remove the copper sulfate
To remove the copper oxide
To remove the sulfuric acid
To remove impurities
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the evaporating dish heated over a beaker of boiling water?
To prevent the copper sulfate crystals from breaking down
To speed up the evaporation process
To prevent the release of harmful gases
To increase the yield of copper sulfate crystals
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