Chemistry The ionic radii of N3-, O2-, F- and Na+ follows the order O2- > F- > Na+ > N3- N3- > Na+ > O2- > F- Na+ > O2- > N3- > F- N3- > O2- > F- > Na+ O2- > F- > Na+ > N3- N3- > Na+ > O2- > F- Na+ > O2- > N3- > F- N3- > O2- > F- > Na+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial Vaseline is derived from Wool wax Coal tar Petroleum Plant gums Wool wax Coal tar Petroleum Plant gums ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Carbon dioxide Ozone Carbon monoxide Water vapour Carbon dioxide Ozone Carbon monoxide Water vapour ANSWER DOWNLOAD EXAMIANS APP
Chemistry In its reaction with silver nitrate, C2H2 shows Oxidising property Basic property Acidic property Reducing property Oxidising property Basic property Acidic property Reducing property ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vulcanization of rubber is carried out by adding Sulphur Ozone Carbon Phosphorus Sulphur Ozone Carbon Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number of an atom gives the number of which of the following ? Neutrons and protons Protons Electrons Neutrons Neutrons and protons Protons Electrons Neutrons ANSWER DOWNLOAD EXAMIANS APP