# 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%.

If you would like to track your scores, please enter your preferred first name into the box (please note, this uses cookies to store the data on your computer/phone/tablet - please see the FAQ for more information). Alternatively, if your teacher has given you a code starting with a # symbol, you can enter that:

Snapquiz© CJ Thornton    Terms and Conditions    Privacy
Teachers