Different Types of Chemical Reactions (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 are spectator ions in a precipitation reaction?
What are spectator ions in a precipitation reaction?
Ions unchanged throughout the reaction
What does a small value indicate about a substance?
What does a small value indicate about a substance?
Lower solubility
What happens when the ionic product is greater than ?
What happens when the ionic product is greater than ?
More precipitate forms
What is excluded from a expression in heterogeneous equilibria?
What is excluded from a expression in heterogeneous equilibria?
Solids
What does a larger value indicate for a weak acid?
What does a larger value indicate for a weak acid?
Greater ionisation and stronger acid
Why is water excluded from expressions?
Why is water excluded from expressions?
Its concentration remains constant
What is true about mole fractions in a gas mixture?
What is true about mole fractions in a gas mixture?
They are dimensionless and sum to 1
How is partial pressure of a gas calculated?
How is partial pressure of a gas calculated?
Mole fraction × total pressure
How should pressures be written in expressions?
How should pressures be written in expressions?
As with subscripts, no brackets
What is the correct sequence for calculating ?
What is the correct sequence for calculating ?
Moles → mole fractions → partial P →