Chemistry Which one is the most reactive gaseous element Flourine Bromine Chlorine Iodine Flourine Bromine Chlorine Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is least likely to be found in commercial fertilisers? Potassium Silicon Nitrogen Phosphorous Potassium Silicon Nitrogen Phosphorous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water is not effective in extinguishing a fire caused by petrol because Water and petrol react chemically The flame is too hot for water to cool it down 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 Water and petrol react chemically The flame is too hot for water to cool it down 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Tantalum Beryllium Ultra pure carbon Silicon Tantalum Beryllium Ultra pure carbon Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the process is known as nitrification? Reaction of nitrogen dioxide with water to form nitric acid Conversion of nitrite to nitric oxide Reaction of Nitrogen Monoxide with oxygen to form nitric acid Conversion of ammonia to nitrites Reaction of nitrogen dioxide with water to form nitric acid Conversion of nitrite to nitric oxide Reaction of Nitrogen Monoxide with oxygen to form nitric acid Conversion of ammonia to nitrites ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Latin word formica means ant. The name formic acid is derived from this Latin word because this corrosive acid is secreted by ants to drive away their enemies ants are attracted by the odour of this acid this acid was first obtained by the distillation of ants this acid, in ancient times, was used to eliminate ant-hills this corrosive acid is secreted by ants to drive away their enemies ants are attracted by the odour of this acid this acid was first obtained by the distillation of ants this acid, in ancient times, was used to eliminate ant-hills ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS