Chemistry Acid rain is caused by the pollution of environment by Ozone and Carbon dioxide Nitrous oxide and Sulphur dioxide Carbon dioxide and Nitrogen Carbon monoxide and Carbon dioxide Ozone and Carbon dioxide Nitrous oxide and Sulphur dioxide Carbon dioxide and Nitrogen Carbon monoxide and Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Adding Cl2 to benzene in the presence of AlCl3 is an example of : Substitution reaction None of the options Addition reaction Elimination reaction Substitution reaction None of the options Addition reaction Elimination reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The increasing abundance of green house gases in atmosphere has led to the following effect except Oxygen fertilization effect Carbon dioxide ferilization effect Depletion of ozone layer in the stratosphere Global warming Oxygen fertilization effect Carbon dioxide ferilization effect Depletion of ozone layer in the stratosphere Global warming ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is formed by strongly heating a mixture of Chalk and graphite Limestone and clay Clay and graphite Limestone and graphite Chalk and graphite Limestone and clay Clay and graphite Limestone and graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium is added to the oxygen supply of deep sea divers because it is 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 Readily miscible with oxygen Less soluble in blood than nitrogen at high pressure ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is also used as a Bio fertilizer? Urea Uric Acid None of these Ammonia Urea Uric Acid None of these Ammonia ANSWER DOWNLOAD EXAMIANS APP
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