GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is primarily composed of calcium carbonate?
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Fish scales
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Shark teeth
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Oyster Shells
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Whale bones
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Explanation:
Detailed explanation-1: -Eggshells, snail shells and most seashells are predominantly calcium carbonate and can be used as industrial sources of that chemical. Oyster shells have enjoyed recent recognition as a source of dietary calcium, but are also a practical industrial source.
Detailed explanation-2: -Different forms of calcium carbonate are Limestone, Chalk and Marble.
Detailed explanation-3: -Calcium carbonate (also known as chalk), mined as calcite, is the most commonly used filler for PVC.
There is 1 question to complete.