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

Question 2. Which number goes on the top of your fraction when you're calculating a percentage on a foundation level GCSE Science paper?

The small number.
The denominator.
The large number.

Question 3. What is one fifth as a percentage?


Question 4. Which of the following is not a reason why we might not get 100% yield?

We might form other side-products.
Not conducting the reaction safely.
Loss of the product when we try to collect it.
The reaction may be reversible.

Question 5. What does this symbol tell us about a reaction?

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

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