Chemistry The major harmful gas emitted by automobile vehicle which causes air pollution is Ozone gas Methane Carbon Monoxide Carbon dioxide Ozone gas Methane Carbon Monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has greatest mass ? Neutron Proton Hydrogen nucleus Electron Neutron Proton Hydrogen nucleus Electron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Latin word formica means ant. The name formic acid is derived from this Latin word because this acid was first obtained by the distillation of ants ants are attracted by the odour of this acid this corrosive acid is secreted by ants to drive away their enemies this acid, in ancient times, was used to eliminate ant-hills this acid was first obtained by the distillation of ants ants are attracted by the odour of this acid this corrosive acid is secreted by ants to drive away their enemies this acid, in ancient times, was used to eliminate ant-hills ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove ink and rust stains on cloth? Alcohol Oxalic acid Ether Kerosene oil Alcohol Oxalic acid Ether Kerosene oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Vulcanization Galvanization Zinc plating Alloy formation Vulcanization Galvanization Zinc plating Alloy formation ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical name for ‘Baking Soda’ ? Sodium nitrite Sodium carbonate Sodium bicarbonate Sodium nitrate Sodium nitrite Sodium carbonate Sodium bicarbonate Sodium nitrate ANSWER DOWNLOAD EXAMIANS APP