Chemistry Bone ash contains Phosphoric sulphate Calcium sulphate Calcium hypophosphate Calcium phosphate Phosphoric sulphate Calcium sulphate Calcium hypophosphate Calcium phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pyrethrin used in mosquito coil is obtained from A seed plant An insect A bacterium A fungus A seed plant An insect A bacterium A fungus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrification is the biological process of converting N2into nitrite Ammonia into nitrite N2 into nitrate Ammonia into N2 N2into nitrite Ammonia into nitrite N2 into nitrate Ammonia into N2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The biogas used for cooking is a mixture of which of the following? Isobutane and propane Carbon dioxide and oxygen Methane and carbon dioxide Methane and carbon monoxide Isobutane and propane Carbon dioxide and oxygen Methane and carbon dioxide Methane and carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mineral containing both magnesium and calcium is carnallite calcite dolomite magnesite carnallite calcite dolomite magnesite ANSWER DOWNLOAD EXAMIANS APP
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