Chemistry Which one of the following elements is used in the manufacture of fertilizers ? Lead Aluminium Fluorine Potassium Lead Aluminium Fluorine Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soldering of two metals is possible because of the property of : Viscosity Cohesion Surface tension Osmosis Viscosity Cohesion Surface tension Osmosis ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Mercury oxide and neon Mercury vapour and argon Sodium vapour and neon Sodium oxide and argon Mercury oxide and neon Mercury vapour and argon Sodium vapour and neon Sodium oxide and argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Neutrons Positrons Protons Electrons Neutrons Positrons Protons Electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of major air pollutant is Carbon monoxide Oxygen Helium Carbon dioxide Carbon monoxide Oxygen Helium Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry What do you understand by the term Espuma ? Calcium Salt Foam Soap Calcium Salt Foam Soap ANSWER DOWNLOAD EXAMIANS APP