Chemistry The lightest gas which is non-inflammable is Nitrogen Oxygen Helium Hydrogen Nitrogen Oxygen Helium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water is Distilled water Tap water Ground water Rain water Distilled water Tap water Ground water Rain water ANSWER DOWNLOAD EXAMIANS APP
Chemistry In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins? Copper Iron Aluminium Titanium Copper Iron Aluminium Titanium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultra purification of a metal is done by : Zone melting Smelting Leaching Slugging Zone melting Smelting Leaching Slugging ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following in automobile exhaust can cause cancer? Carbon monoxide Polyclinic hydrocarbons Lead Oxides of nitrogen Carbon monoxide Polyclinic hydrocarbons Lead Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rusting of iron takes place due to Carbonation Exfoliation Corrosion Oxidation Carbonation Exfoliation Corrosion Oxidation ANSWER DOWNLOAD EXAMIANS APP
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