Chemistry Which one of the following mineral does not contain oxygen ? Haematite Bauxite Cryolite Calcite Haematite Bauxite Cryolite Calcite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is found in kidney stones? Calcium oxalate Calcium acetate Sodium oxalate Sodium chloride Calcium oxalate Calcium acetate Sodium oxalate Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s wool is chemically Aluminium oxide Magnesium oxide Calcium oxide Zinc oxide Aluminium oxide Magnesium oxide Calcium oxide Zinc oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lowest layer of earth's atmosphere is Troposphere Stratosphere Mesosphere Ionosphere Troposphere Stratosphere Mesosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Sulphur dioxide Carbon dioxide Carbon monoxide Smoke Sulphur dioxide Carbon dioxide Carbon monoxide Smoke ANSWER DOWNLOAD EXAMIANS APP
Chemistry The buffer action of blood is due to the presence of CI– and [HCO3]– [HCO3]– and H2CO3 HCI and NaCI CI– and [CO3]2– CI– and [HCO3]– [HCO3]– and H2CO3 HCI and NaCI CI– and [CO3]2– ANSWER DOWNLOAD EXAMIANS APP
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