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12 questions from this quiz
A compound formed from acid + base reaction
acids+bases=salts+water\text{acids} + \text{bases} = \text{salts} + \text{water}acids+bases=salts+water
To prepare pure, dry copper sulfate crystals
Eye protection
When some black powder remains unreacted
To remove excess copper oxide
Copper sulfate and water
Makes the reaction happen faster
To ensure all the acid has reacted
Water evaporates & solution gets concentrated
Black copper oxide forms blue solution
Chlorides
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