The element common in glass, cement, china clay, and quartz is silicon. Silica (SiO2), which contains silicon, is the primary component of glass. Cement also contains a significant amount of silicon. China clay, a type of clay, is primarily composed of silicates. Quartz is essentially pure silica, making silicon the shared element in all these materials.
Which one of the following elements is found common in glass, cement, china clay and quartz?
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