Snapquiz - The Limestone Cycle

This is the Snapquiz on The Limestone Cycle. Click here or use the embedded video if you haven't watched the lesson yet.


Question 1. Which of the following elements will form a carbonate?

Oxygen.
Sodium.
Flourine.
Helium.


Question 2. Which of the following elements won't form a carbonate?

Copper.
Chlorine.
Zinc.
Magnesium.


Question 3. What is formed when we add any carbonate to an acid?

A salt and carbon dioxide.
Hydrogen and carbon dioxide.
An alkaline solution.
A salt and hydrogen.


Question 4. What is formed when we strongly heat limestone?

Calcium oxide.
Calcium hydroxide.
Calcium.
Calcium carbonate.


Question 5. What does "thermal decomposition" mean, when referring to the limestone cycle?

It rots under hot conditions.
It breaks down into simpler compounds when heated.
It uses heat to rot away.
It gives out heat as it breaks down.


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