Pure Substances (Grade 10 NSC Matric Physical Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is a key characteristic of a pure substance?
What is a key characteristic of a pure substance?
It has uniform composition throughout
How does a pure substance behave when melting?
How does a pure substance behave when melting?
It melts at one exact temperature
What result indicates a pure substance in chromatography?
What result indicates a pure substance in chromatography?
Only one substance appears at the end
What is an element?
What is an element?
Cannot be broken down by chemical means
What is the chemical symbol for iron?
What is the chemical symbol for iron?
Fe
What is a compound?
What is a compound?
Two or more elements in a fixed ratio
In water (), what is the ratio of hydrogen to oxygen atoms?
In water (), what is the ratio of hydrogen to oxygen atoms?
2:1
How is argon classified?
How is argon classified?
Pure substance (element)
How is silicon dioxide () classified?
How is silicon dioxide () classified?
Pure substance (compound)
How do compound properties compare to their constituent elements?
How do compound properties compare to their constituent elements?
Completely different from elements