Chemistry The polymer obtained by the condensation of hexamethylene diamine and adipic acid is : Nylon 66 Bakelite Tollen's Terylene Nylon 66 Bakelite Tollen's Terylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Reduced crop yield Cancer Respiratory diseases (e.g.asthma) Silicosis Reduced crop yield Cancer Respiratory diseases (e.g.asthma) Silicosis ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of natural gas is: Helium Propane Methane Nitrogen Helium Propane Methane Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is colourless ? Chlorine Oxygen Phosphorus Sulphur Chlorine Oxygen Phosphorus Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium is added to the oxygen supply of deep sea divers because it is Readily miscible with oxygen Less soluble in blood than nitrogen at high pressure Lighter than nitrogen Less poisonous than nitrogen Readily miscible with oxygen Less soluble in blood than nitrogen at high pressure Lighter than nitrogen Less poisonous than nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is found in chlorophyll ? Ca2+ Mg2+ A l3+ Fe2+ Ca2+ Mg2+ A l3+ Fe2+ ANSWER DOWNLOAD EXAMIANS APP
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