Properties of Matter (HSC SSCE Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does gravimetric analysis determine about a mixture?
What does gravimetric analysis determine about a mixture?
Mass & percentage of each component
What type of analytical technique is gravimetric analysis?
What type of analytical technique is gravimetric analysis?
Quantitative
In mining, what mineral percentage might NOT be economically viable to extract?
In mining, what mineral percentage might NOT be economically viable to extract?
5%
What is the formula for calculating percentage of a component?
What is the formula for calculating percentage of a component?
A g mineral sample contains g barium sulfate. What is its percentage?
A g mineral sample contains g barium sulfate. What is its percentage?
42.1%
What is the first step in gravimetric analysis?
What is the first step in gravimetric analysis?
Take a known mass of the mixture
Which property allows iron filings to be separated from salt and sand?
Which property allows iron filings to be separated from salt and sand?
Magnetic
Which is a common source of error in gravimetric analysis?
Which is a common source of error in gravimetric analysis?
Incomplete drying of components
What level of experimental error is generally acceptable in gravimetric analysis?
What level of experimental error is generally acceptable in gravimetric analysis?
Less than 1%
What happens if components are not completely dry before weighing?
What happens if components are not completely dry before weighing?
Mass measurements will be too high