Chemistry Which of the following is a man-made source of air pollution ? Automobile exhaust All of these Bacterial action in soil and swamp areas Forest fire Automobile exhaust All of these Bacterial action in soil and swamp areas Forest fire ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen fixation is a process of Conversion of organic nitrogen to proteins Utilisation of nitrogen gas Conversion of molecular nitrogen to ammonia Assimilation of nitrate Conversion of organic nitrogen to proteins Utilisation of nitrogen gas Conversion of molecular nitrogen to ammonia Assimilation of nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which amidst the following is not a gem stone ? Cat's-eye Opal Pearl Topaz Cat's-eye Opal Pearl Topaz ANSWER DOWNLOAD EXAMIANS APP
Chemistry The charcoal used to decolourise brown sugar solution is Wood charcoal Coconut charcoal Animal charcoal Sugar charcoal Wood charcoal Coconut charcoal Animal charcoal Sugar charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bee sting contains An acidic liquid An alkaline liquid A corrosive liquid A salt solution An acidic liquid An alkaline liquid A corrosive liquid A salt solution ANSWER DOWNLOAD EXAMIANS APP
Chemistry The minimum energy required for an effective collision is Internal energy Threshold energy Activation energy Free energy Internal energy Threshold energy Activation energy Free energy ANSWER DOWNLOAD EXAMIANS APP
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