Chemistry The green colour seen in firework displays is due to the chloride salt of : Sodium Calcium Barium Strontium Sodium Calcium Barium Strontium ANSWER DOWNLOAD EXAMIANS APP
Chemistry In electro-refining, the pure metal is deposited on Cathode Vessel Electrolyte Anode Cathode Vessel Electrolyte Anode ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Electrons Protons Neutrons Positrons Electrons Protons Neutrons Positrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following substances all carbon atoms are quaternary in nature ? Diamond Napthalene Graphite Teflon Diamond Napthalene Graphite Teflon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conversion of chemical energy into electrical energy occurs in Atomic bombs Dynamo Electric heaters A battery Atomic bombs Dynamo Electric heaters A battery ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water in nature is Rain water Sea water River water Lake water Rain water Sea water River water Lake water ANSWER DOWNLOAD EXAMIANS APP