Which of the compounds is composed of Al, Si, O and H?
Which of the compounds is composed of Al, Si, O and H?
Epson salt
Limestone
Clay
Urea
Correct answer is C
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.
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