Chemistry Biofertilizers convert nitrogen to ________ . Nitrates Ammonia Amino acids Nitrogenase Nitrates Ammonia Amino acids Nitrogenase ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Positrons Electrons Neutrons Protons Positrons Electrons Neutrons Protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a lead storage battery is discharged, SO2 is evolved Lead sulphate is consumed Sulphuric acid is consumed Lead is formed SO2 is evolved Lead sulphate is consumed Sulphuric acid is consumed Lead is formed ANSWER DOWNLOAD EXAMIANS APP
Chemistry Slag is a name given for Molten sand Molten alumina Molten iron Molten calcium silicate Molten sand Molten alumina Molten iron Molten calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statements is not correct? Vulcanisation of rubber makes it Soft and flexible Withstand higher temperatures Chemical resistant Strong and hard Soft and flexible Withstand higher temperatures Chemical resistant Strong and hard ANSWER DOWNLOAD EXAMIANS APP
Chemistry The length of double bond is _______ than single bond Of same lenght Longer Shorter None of these Of same lenght Longer Shorter None of these ANSWER DOWNLOAD EXAMIANS APP