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?

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


Question 2. Which compound is manufactured in the Haber Process?

Calcium Carbonate.
Hydrochloric Acid.
Ethanol.
Ammonia.


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

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


Question 4. 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.


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

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


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