1. Which of the following is the correct definition of minerals?

A) A naturally occurring, inorganic solid that has a crystal shape and definite chemical composition.
B) A naturally occurring, inorganic solid that forms through crystallization of melted materials.
C) A naturally occurring, organic solid that forms through crystallization of materials dissolved in water.
D) A naturally occurring, organic sold that has a crystal shape and a definite chemical composition. ***

No. Check the definition of mineral.

The answer is a

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The correct definition of minerals is option A) A naturally occurring, inorganic solid that has a crystal shape and definite chemical composition.

To arrive at this answer, let's break down the different options:

Option A) A naturally occurring, inorganic solid that has a crystal shape and definite chemical composition. This option accurately describes the characteristics of minerals, stating that they are naturally occurring, inorganic (meaning they are not formed by living organisms), solid, have a crystal shape, and possess a definite chemical composition. This definition aligns with the accepted scientific understanding of minerals.

Option B) A naturally occurring, inorganic solid that forms through crystallization of melted materials. Although minerals can form through crystallization, it is not limited to just melted materials. Minerals can also form through other processes such as precipitation from solution or biomineralization. Therefore, option B is not the correct definition of minerals.

Option C) A naturally occurring, organic solid that forms through crystallization of materials dissolved in water. This option is incorrect because minerals are inorganic and do not contain carbon, which is necessary for an organic compound. Additionally, minerals can form through a variety of processes, not just crystallization of materials dissolved in water.

Option D) A naturally occurring, organic solid that has a crystal shape and a definite chemical composition. This option is incorrect because minerals are inorganic, as mentioned earlier.

Hence, option A is the correct definition as it accurately captures the essential characteristics of minerals.

Here are the Unit test answers ;)

1. A
2. B
3. B
4. B
5. A
6. C
7. A
8. C
9. B
10. C
11. C
12. C
13. D
14. D
15. D
16. C
100% correct