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 the following is not a reason why we might not get 100% yield?

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


Question 2. What does this symbol tell us about a reaction?

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


Question 3. 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%.
1000%.
-20%.
110%.


Question 4. Which two elements do we use in the Haber process?

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


Question 5. Which compound is manufactured in the Haber Process?

Ammonia.
Hydrochloric Acid.
Ethanol.
Calcium Carbonate.


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