Multiple choice Among the following, which one is used in rocket fuel? Beryllium chloride Beryllium fluoride Beryllium hydride Beryllium hydroxide Reveal answer Fill a bubble to check yourself C Correct answer Explanation Beryllium hydride, is a chemical compound of beryllium and hydrogen, commonly used in rocket fuel. Unlike the ionically bonded hydrides of the heavier Group 2 elements, beryllium hydride is covalently bonded.