Chemistry Which among the following metals provides amphoteric oxide ? Sodium Silver Aluminium Calcium Sodium Silver Aluminium Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following could be used as fuel in propellant or rockets ? Liquid Nitrogen + Liquid Oxygen Liquid Hydrogen + Liquid Oxygen Liquid Oxygen + Liquid Argon Liquid Hydrogen + Liquid Nitrogen Liquid Nitrogen + Liquid Oxygen Liquid Hydrogen + Liquid Oxygen Liquid Oxygen + Liquid Argon Liquid Hydrogen + Liquid Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen fixation is a process of Utilisation of nitrogen gas Conversion of organic nitrogen to proteins Assimilation of nitrate Conversion of molecular nitrogen to ammonia Utilisation of nitrogen gas Conversion of organic nitrogen to proteins Assimilation of nitrate Conversion of molecular nitrogen to ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Liquid Nitrogen boils at 97 Kelvin 54 kelvin 77 kelvin 82 Kelvin 97 Kelvin 54 kelvin 77 kelvin 82 Kelvin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as filler in tyre of rubber ? Coke Carbon black Coal Graphite Coke Carbon black Coal Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial ripening of green fruit is ethane carbon dioxide ethylene acetylene ethane carbon dioxide ethylene acetylene ANSWER DOWNLOAD EXAMIANS APP
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