Chemistry Pollutant from motor car exhaust that causes mental disease is Hg Lead NO2 SO2 Hg Lead NO2 SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron rusts quickly in Rain water Sea water Distilled water River water Rain water Sea water Distilled water River water ANSWER DOWNLOAD EXAMIANS APP
Chemistry When iron rusts, its weight First increases and then decreases Increases Remains the same Decreases First increases and then decreases Increases Remains the same Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Taj Mahal is greatly affected due to : Acid rain Sound pollution Deforestation Tourists Acid rain Sound pollution Deforestation Tourists ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium is added to the oxygen supply of deep sea divers because it is Less soluble in blood than nitrogen at high pressure Lighter than nitrogen Readily miscible with oxygen Less poisonous than nitrogen Less soluble in blood than nitrogen at high pressure Lighter than nitrogen Readily miscible with oxygen Less poisonous than nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry If lime water is kept in the air, it turns milky due to presence of : Oxygen Sulphurdioxide Carbondioxide Nitrogen Oxygen Sulphurdioxide Carbondioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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