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Which of the compounds is composed of Al, Si, O and H?

Chemistry
JAMB 2018

Which of the compounds is composed of Al, Si, O and H?

  • A. Epson salt
  • B. Limestone
  • C. Clay
  • D. Urea
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Correct Answer: Option C
Explanation

Between the five main minerals found in clay, kaolinite is the most common. Kaolinite holds the chemical composition Al\(_{2}\) Si\(_{2}\)O\(_{5}\)(OH)\(_{4}\) and is an aluminum silicate material with a low “shrink-swell” capacity. It is a soft, white mineral but is often colored orange or red by iron oxide found in the soil.

There is an explanation video available below.


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Explanation Video

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