Multiple choice Which of the following pairs has only ores of lead? Gibbsite, Anglesite Crocoisite, Cerrusite Azurite, Anglesite Franlinite, Zincite Gibbsite, Franlinite Reveal answer Fill a bubble to check yourself B Correct answer Explanation The chief ores of lead are - Anglesite (PbSO4), Galena (PbS), crocoisite (PbCrO4), Cerrusite (PbCO3), etc.