Chemistry The percentage of oxygen in air is approximately 1 0.21 0.78 0.01 1 0.21 0.78 0.01 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomers of dacron are Ethylene glycol and terephthalic acid Ethylene glygol and phthalic acid Decanone and decanol Decane and decanol Ethylene glycol and terephthalic acid Ethylene glygol and phthalic acid Decanone and decanol Decane and decanol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of total hardness in drinking water is 200 500 50 100 200 500 50 100 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to emission of which of the following in to the atmosphere ? Carbon monoxide and nitrogen Oxides of nitrogen and sulphur Ozone and carbon dioxide Carbon dioxide and carbon monoxide Carbon monoxide and nitrogen Oxides of nitrogen and sulphur Ozone and carbon dioxide Carbon dioxide and carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Non-stick kitchenwares are coated with PVC Silicon Teflon Graphite PVC Silicon Teflon Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following gases has the highest calorific value? Indane gas Coal gas Water gas Natural gas Indane gas Coal gas Water gas Natural gas ANSWER DOWNLOAD EXAMIANS APP