Chemistry The lightest gas which is non-inflammable is Nitrogen Hydrogen Oxygen Helium Nitrogen Hydrogen Oxygen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Where does the oxygen that keeps us alive come from? Carbonates absorbed from soil Oxides of minerals Carbon dioxide Water Carbonates absorbed from soil Oxides of minerals Carbon dioxide Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soldering of two metals is possible because of the property of : Surface tension Viscosity Osmosis Cohesion Surface tension Viscosity Osmosis Cohesion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Organic compounds are Ionic compounds Covalent compounds Co-ordination compounds Interstitial compounds Ionic compounds Covalent compounds Co-ordination compounds Interstitial compounds ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Lime Alum Potassium Permangante Sodium carbonate Lime Alum Potassium Permangante Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry For extinguishing fire, we use Carbon Dioxide Marsh gas Carbon Monoxide Hydrogen Carbon Dioxide Marsh gas Carbon Monoxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP
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