Chemistry Which of the following gases is most toxic ? Chlorine Sulphur dioxide Carbon dioxide Carbon monoxide Chlorine Sulphur dioxide Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 19 53 17 36 19 53 17 36 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element has the highest electronegativity value Fluorine Nitrogen Chlorine Lithium Fluorine Nitrogen Chlorine Lithium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful CO2 in the air Solar infrared radiation SO2 in the air Solar ultraviolet radiation CO2 in the air Solar infrared radiation SO2 in the air Solar ultraviolet radiation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Infrared Visible Radio-waves Ultraviolet Infrared Visible Radio-waves Ultraviolet ANSWER DOWNLOAD EXAMIANS APP