Required Practical: Investigating the Effect of Concentration on Rate of Reaction (OCR GCSE Chemistry A, Combined (Gateway Science Suite)): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does this practical investigate?
What does this practical investigate?
Effect of concentration on rate
What does the Gas Collection method measure?
What does the Gas Collection method measure?
Volume of gas produced
What does the Disappearing Cross method time?
What does the Disappearing Cross method time?
How long for mixture to turn cloudy
How should magnesium be prepared?
How should magnesium be prepared?
Clean with emery paper
What volume of HCl is used in Gas Collection?
What volume of HCl is used in Gas Collection?
cm³
How often is gas volume recorded?
How often is gas volume recorded?
Every 10 seconds
When does gas volume recording stop?
When does gas volume recording stop?
When volume stops increasing
What equipment collects the gas?
What equipment collects the gas?
Gas syringe
What volume of sodium thiosulfate is used?
What volume of sodium thiosulfate is used?
cm³
When is the timer stopped in Disappearing Cross?
When is the timer stopped in Disappearing Cross?
When cross is no longer visible
How should the cross be observed?
How should the cross be observed?
From above
What does a steeper gradient indicate?
What does a steeper gradient indicate?
Higher rate as concentration rises