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 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 2. What is one fifth as a percentage?

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


Question 3. Which of the following is not a reason why we might not get 100% yield?

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


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

Ammonia.
Ethanol.
Hydrochloric Acid.
Calcium Carbonate.


Question 5. 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 small number.
The large number.


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