Chemistry Where does the oxygen that keeps us alive come from? Carbonates absorbed from soil Oxides of minerals Water Carbon dioxide Carbonates absorbed from soil Oxides of minerals Water Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major portion of the earth’s crust is mainly constituted by Oxygen and Iron Silicon and Iron Silicon and Aluminium Oxygen and Silicon Oxygen and Iron Silicon and Iron Silicon and Aluminium Oxygen and Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium bicarbonate is commercially known as Caustic soda Soda lime Baking soda Washing soda Caustic soda Soda lime Baking soda Washing soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oil used in the froth floatation process is olive oil pine oil kerosene oil coconut oil olive oil pine oil kerosene oil coconut oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 50 and 100 km 20 and 50 km 5 and 10 km 10 and 20 km 50 and 100 km 20 and 50 km 5 and 10 km 10 and 20 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is the heaviest in periodic table among the following ? Pb Os W Pt Pb Os W Pt ANSWER DOWNLOAD EXAMIANS APP
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