Chemistry Synthetic detergents are made from Sodium palmitate Sodium stearate Sodium salt of benzene carboxylic acid Sodium salt of benzene sulphonic acid Sodium palmitate Sodium stearate Sodium salt of benzene carboxylic acid Sodium salt of benzene sulphonic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest first ionisation energy is Sodium Lithium Helium Hydrogen Sodium Lithium Helium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The three elements most needed in common fertilisers are : Phosphorous, Sodium and Nitrogen Nitrogen, Potassium and Phosphorous Calcium, Phosphorous and Potassium Sulphur, Phosphorous and Sodium Phosphorous, Sodium and Nitrogen Nitrogen, Potassium and Phosphorous Calcium, Phosphorous and Potassium Sulphur, Phosphorous and Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Protons Positrons Neutrons Electrons Protons Positrons Neutrons Electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following gases has the highest calorific value? Indane gas Natural gas Coal gas Water gas Indane gas Natural gas Coal gas Water gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used in the manufacture of safety matches is Magnesium Sulphur Phosphorous Silicon Magnesium Sulphur Phosphorous Silicon ANSWER DOWNLOAD EXAMIANS APP