Chemistry The metal used to galvanise iron to protect it from rusting is Antimony Zinc Lead Chromium Antimony Zinc Lead Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead pencil contains Graphite Lead Ferrous sulphide Lead sulphide Graphite Lead Ferrous sulphide Lead sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver nitrate solution is kept in brown bottles in laboratory because Brown bottles stops the passage of light through it It reacts with ordinary white bottles Brown bottles react with it Brown bottles do not react with it Brown bottles stops the passage of light through it It reacts with ordinary white bottles Brown bottles react with it Brown bottles do not react with it 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 are immiscible with each other and petrol which forms the upper layer continues to burn Water and petrol are miscible with each other Water and petrol react chemically The flame is too hot for water to cool it down 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 Water and petrol react chemically ANSWER DOWNLOAD EXAMIANS APP
Chemistry Submarines move under water. They have engines that run on Steam Batteries Diesel Petrol and oxygen Steam Batteries Diesel Petrol and oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is used in storage batteries? Copper Tin Lead Zinc Copper Tin Lead Zinc ANSWER DOWNLOAD EXAMIANS APP