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

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


Question 2. Which of these numbers is the only one which could be a correct answer when calculating a percentage on a foundation level GCSE Science paper?

110%.
-20%.
47%.
1000%.


Question 3. What does this symbol tell us about a reaction?

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


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 small number.
The large number.


Question 5. What is three kilograms as a percentage of five kilograms?

60%.
40%.
30%.
50%.


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