Chemistry Which among the following is pure matter ? Iron Carbon–dioxide Air Brass Iron Carbon–dioxide Air Brass ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/8 1/3 1/4 1/6 1/8 1/3 1/4 1/6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aspirin is Methoxy benzoic acid Methyl Salicilate Acetyl Salicilic acid Phenyl Salicilate Methoxy benzoic acid Methyl Salicilate Acetyl Salicilic acid Phenyl Salicilate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Polythene is polymer of Ethylene Aniline Acetylene Propylene Ethylene Aniline Acetylene Propylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not an addition polymer Polystyrene Polythene Nylon PVC Polystyrene Polythene Nylon PVC ANSWER DOWNLOAD EXAMIANS APP
Chemistry Global warming is mainly due to accumulation of Carbon monoxide Carbon dioxide Oxides of nitrogen Oxides of sulphur Carbon monoxide Carbon dioxide Oxides of nitrogen Oxides of sulphur ANSWER DOWNLOAD EXAMIANS APP
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