Chemistry Nitrogen fixation is a process of Conversion of molecular nitrogen to ammonia Conversion of organic nitrogen to proteins Utilisation of nitrogen gas Assimilation of nitrate Conversion of molecular nitrogen to ammonia Conversion of organic nitrogen to proteins Utilisation of nitrogen gas Assimilation of nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Spontaneous change is one in there is: An increase in Internal energy Increase in free energy A lowering of free energy A lowering of entropy An increase in Internal energy Increase in free energy A lowering of free energy A lowering of entropy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has pH value 7? Sodium Carbonate Pure Water HCl H2SO4 Sodium Carbonate Pure Water HCl H2SO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statements is not correct? Vulcanisation of rubber makes it Strong and hard Chemical resistant Soft and flexible Withstand higher temperatures Strong and hard Chemical resistant Soft and flexible Withstand higher temperatures ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to denature ethanol ? Propyl alcohol Phenol Methyl alcohol Methane Propyl alcohol Phenol Methyl alcohol Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is found in chlorophyll ? Mg2+ A l3+ Ca2+ Fe2+ Mg2+ A l3+ Ca2+ Fe2+ ANSWER DOWNLOAD EXAMIANS APP