Snapquiz - Percentage Yield

This is the Snapquiz on Percentage Yield. Click here or use the embedded video if you haven't watched the lesson yet.


Question 1. What does this symbol tell us about a reaction?

It's impossible.
It's irreversible.
It's unstable.
It's reversible.


Question 2. What is one fifth as a percentage?

20%.
15%.
10%.
50%.


Question 3. Which two elements do we use in the Haber process?

Oxygen and carbon.
Oxygen and hydrogen.
Nitrogen and hydrogen.
Nitrogen and oxygen.


Question 4. Which number goes on the top of your fraction when you're calculating a percentage on a foundation level GCSE Science paper?

100%.
The denominator.
The large number.
The small number.


Question 5. What do we call the chemicals we make in the reaction?

Reactants.
Products.
Results.
Outcomes.


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