Multiple choice Which of the following pairs of silicates has the same general formula? Chain silicates and double chain silicates Double chain silicates and sheet silicates Sheet silicates and cyclic silicates Cyclic silicates and chain silicates Cyclic silicates and double sheet silicates Reveal answer Fill a bubble to check yourself D Correct answer Explanation Cyclic silicates as well as chain silicates have same general formula, i.e. (SiO3)n2n-.