Chemistry Water is not effective in extinguishing a fire caused by petrol because Water and petrol react chemically Water and petrol are miscible with each other Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn The flame is too hot for water to cool it down Water and petrol react chemically Water and petrol are miscible with each other Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn The flame is too hot for water to cool it down ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following metals provides amphoteric oxide ? Silver Sodium Calcium Aluminium Silver Sodium Calcium Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two moles of an ideal gas expand freely into vacuum. The work done by the gas is Infinity 2J 4J Infinity 2J 4J ANSWER DOWNLOAD EXAMIANS APP
Chemistry The non-metal found in the liquid state is Chlorine Bromine Fluorine Nitrogen Chlorine Bromine Fluorine Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest ionization potential is Helium Carbon Boron Oxygen Helium Carbon Boron Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The green colour seen in firework displays is due to the chloride salt of : Calcium Barium Strontium Sodium Calcium Barium Strontium Sodium ANSWER DOWNLOAD EXAMIANS APP