Chemistry The scientist who experimentally proved the existance of positron is Bethe Bohr Fermi Anderson Bethe Bohr Fermi Anderson ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following gases has the highest calorific value? Indane gas Water gas Natural gas Coal gas Indane gas Water gas Natural gas Coal gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Metal are good conductors, because They contain free electrons The molecules in them are very close to each other The molecules in them collide very freely They contain reflecting surface They contain free electrons The molecules in them are very close to each other The molecules in them collide very freely They contain reflecting surface ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vulcanization of rubber is carried out by adding Phosphorus Ozone Sulphur Carbon Phosphorus Ozone Sulphur Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching action of moist sulphur di-oxide is because of its Oxidising property Acidic property Reducing property Basic property Oxidising property Acidic property Reducing property Basic property ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Aluminium phosphide Hydrogen sulphide Aluminium sulphide Hydrogenated wafers Aluminium phosphide Hydrogen sulphide Aluminium sulphide Hydrogenated wafers ANSWER DOWNLOAD EXAMIANS APP