Chemistry Which among the following is found in chlorophyll ? Mg2+ A l3+ Ca2+ Fe2+ Mg2+ A l3+ Ca2+ Fe2+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the equilibrium constants for the systems H2 + I2 ? 2HI and 2HI ? H2 + I2 are K1 and K2 respectively, the relationship between K1 and K2 is : K1 = K2 K1 = 2K2 K1 = K2/2 K 1 = 1 /K2 K1 = K2 K1 = 2K2 K1 = K2/2 K 1 = 1 /K2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Biofertilizers convert nitrogen to ________ . Ammonia Nitrates Nitrogenase Amino acids Ammonia Nitrates Nitrogenase Amino acids ANSWER DOWNLOAD EXAMIANS APP
Chemistry In ice, the number of hydrogen bonds per water molecule is 2 8 4 1 2 8 4 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pollutant responsible for ozone holes is ________ CFC SO2 CO CO2 CFC SO2 CO CO2 ANSWER DOWNLOAD EXAMIANS APP