Chemistry Which one of the following elements is used in the manufacture of fertilizers ? Aluminium Lead Potassium Fluorine Aluminium Lead Potassium Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Aluminium Iron Copper Zinc Aluminium Iron Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Where does the oxygen that keeps us alive come from? Oxides of minerals Carbon dioxide Water Carbonates absorbed from soil Oxides of minerals Carbon dioxide Water Carbonates absorbed from soil ANSWER DOWNLOAD EXAMIANS APP
Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and acetic anhydride Nitric acid and ethyl alcohol Nitric acid in excess Nitric acid and acetic acid Nitric acid and acetic anhydride Nitric acid and ethyl alcohol Nitric acid in excess Nitric acid and acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as a sowing agent in the preparation of soft drinks? Boric acid Phosphoric acid Phosphorus acid Salicylic acid Boric acid Phosphoric acid Phosphorus acid Salicylic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of a hydrogen atom consists of 1 proton + 2 neutron 1 neutron only 1 proton only 1 electron only 1 proton + 2 neutron 1 neutron only 1 proton only 1 electron only ANSWER DOWNLOAD EXAMIANS APP
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