Rates of Reactions (Junior Cert Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does a steeper slope on a rate of reaction graph indicate?
What does a steeper slope on a rate of reaction graph indicate?
A faster reaction
Why do smaller particles react faster than larger particles?
Why do smaller particles react faster than larger particles?
They have a greater surface area
What is a catalyst?
What is a catalyst?
A substance that alters rate but isn't used
How does increasing temperature affect the rate of reaction?
How does increasing temperature affect the rate of reaction?
It increases the rate
Why does higher concentration increase reaction rate?
Why does higher concentration increase reaction rate?
More particles mean more collisions
What is the test for hydrogen gas?
What is the test for hydrogen gas?
Burns with a pop sound
Which metal reacts faster with dilute hydrochloric acid?
Which metal reacts faster with dilute hydrochloric acid?
Magnesium
What are enzymes?
What are enzymes?
Biological catalysts
What is the test for oxygen gas?
What is the test for oxygen gas?
Relights a glowing splint
What does the rate of reaction measure?
What does the rate of reaction measure?
Change in concentration per unit time