Chemistry Which of the following metals form an amalgam with other metals ? Lead Zinc Tin Mercury Lead Zinc Tin Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water is not effective in extinguishing a fire caused by petrol because The flame is too hot for water to cool it down Water and petrol react chemically Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn Water and petrol are miscible with each other The flame is too hot for water to cool it down Water and petrol react chemically Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn Water and petrol are miscible with each other ANSWER DOWNLOAD EXAMIANS APP
Chemistry The green colour seen in firework displays is due to the chloride salt of : Calcium Strontium Barium Sodium Calcium Strontium Barium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nucleon? Neutron Electron Proton Positron Neutron Electron Proton Positron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carbon footprint can be reduced by Recycling waste materials Using energy efficient appliances Commuting by public transport All of these Recycling waste materials Using energy efficient appliances Commuting by public transport All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gunpowder consits of a mixture of Sulphur, sand and charcoal TNT and charcoal Nitre, sulphur and charcoal Sand and TNT Sulphur, sand and charcoal TNT and charcoal Nitre, sulphur and charcoal Sand and TNT ANSWER DOWNLOAD EXAMIANS APP