Basic Concepts (HSC SSCE Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
Which substance is homogeneous?
Which substance is homogeneous?
Apple juice
What is a key difference between mixtures and pure substances?
What is a key difference between mixtures and pure substances?
Mixtures have variable composition
Which statement best defines an element?
Which statement best defines an element?
Cannot be decomposed into simpler forms
Which property is unique to gases compared to solids and liquids?
Which property is unique to gases compared to solids and liquids?
Easily compressed
What is sublimation?
What is sublimation?
Solid changing directly to gas
How do solutions differ from suspensions?
How do solutions differ from suspensions?
Solution particles never settle out
Which observation indicates a chemical reaction has occurred?
Which observation indicates a chemical reaction has occurred?
Yellow precipitate forming
How are particles arranged in a solid?
How are particles arranged in a solid?
Closely packed, orderly array
What does the formula tell us about water?
What does the formula tell us about water?
2 hydrogen atoms, 1 oxygen atom
What rule must be followed when writing chemical symbols?
What rule must be followed when writing chemical symbols?
First letter capital, second lowercase