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 compounds formed when hydrogen combines with p-block elements are called Polynuclear hydrides Ionic hydrides Molecular hydrides Metallic hydrides Polynuclear hydrides Ionic hydrides Molecular hydrides Metallic hydrides ANSWER DOWNLOAD EXAMIANS APP
Chemistry The constituents of automobile exhaust that can cause cancer is/are : Oxides of nitrogen Polycyclic hydrocarbons Carbon monoxide Lead Oxides of nitrogen Polycyclic hydrocarbons Carbon monoxide Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following nonmetals shows allotropy in the liquid state? Phosphorous Sulphur Carbon Bromine Phosphorous Sulphur Carbon Bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to galvanise iron to protect it from rusting is Chromium Lead Zinc Antimony Chromium Lead Zinc Antimony ANSWER DOWNLOAD EXAMIANS APP
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