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

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


Question 2. What do we call the chemicals we make in the reaction?

Results.
Products.
Reactants.
Outcomes.


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

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


Question 4. Which compound is manufactured in the Haber Process?

Calcium Carbonate.
Hydrochloric Acid.
Ethanol.
Ammonia.


Question 5. Which of the following is not a reason why we might not get 100% yield?

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


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