Chemistry When Hydrogen starts burning in air, it produces ? Carbonic Acid Water Methane Ammonia Carbonic Acid Water Methane Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number is the number equal to Electrons Protons None of these Neutrons Electrons Protons None of these Neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry When quick lime is added to water No heat change takes place Heat is liberated Temperature decreases Heat is absorbed No heat change takes place Heat is liberated Temperature decreases Heat is absorbed ANSWER DOWNLOAD EXAMIANS APP
Chemistry The green colour seen in firework displays is due to the chloride salt of : Strontium Calcium Barium Sodium Strontium Calcium Barium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used for making aircrafts and rockets is Lead Nickel Copper Aluminium Lead Nickel Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process which does not evolve CO2 in air is Burning Breathing Photosynthesis Organic delay Burning Breathing Photosynthesis Organic delay ANSWER DOWNLOAD EXAMIANS APP