Chemistry Which one of the following is a micro-element ? Oxygen Chlorine Nitrogen Hydrogen Oxygen Chlorine Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to pollution of atmosphere by Oxides of nitrogen and sulphur Oxides of nitrogen and phosphorous Oxides of carbon and nitrogen None of these Oxides of nitrogen and sulphur Oxides of nitrogen and phosphorous Oxides of carbon and nitrogen None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry If we burn graphite, It will not burn No residue will be left Residue will be left It will change into diamond It will not burn No residue will be left Residue will be left It will change into diamond ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which colour is produce by Arsenic during flame test Red Blue Crimson Green Red Blue Crimson Green ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nuclear particles which are assumed to hold the nucleons together are neutrons electrons mesons positrons neutrons electrons mesons positrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to emission of which of the following in to the atmosphere ? Oxides of nitrogen and sulphur Carbon monoxide and nitrogen Ozone and carbon dioxide Carbon dioxide and carbon monoxide Oxides of nitrogen and sulphur Carbon monoxide and nitrogen Ozone and carbon dioxide Carbon dioxide and carbon monoxide ANSWER DOWNLOAD EXAMIANS APP