Chemistry The metallic constituents of hard water are : Iron, tin and calcium Magnesium, tin and iron Calcium, magnesium and iron Magnesium, calcium and tin Iron, tin and calcium Magnesium, tin and iron Calcium, magnesium and iron Magnesium, calcium and tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is found in all organic compounds Oxygen Nitrogen Calcium Carbon Oxygen Nitrogen Calcium Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal chiefly used for galvanising iron is : Zinc Cadmium Mercury Tin Zinc Cadmium Mercury Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry In ice, the number of hydrogen bonds per water molecule is 2 4 8 1 2 4 8 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The human body is made up of several chemical elements; the element present in the highest proportion (65%) in the body is hydrogen oxygen nitrogen carbon hydrogen oxygen nitrogen carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oil used in the froth floatation process is olive oil kerosene oil pine oil coconut oil olive oil kerosene oil pine oil coconut oil ANSWER DOWNLOAD EXAMIANS APP
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