Chemistry Silicon is a Nonconductor Conductor Insulator Semiconductor Nonconductor Conductor Insulator Semiconductor ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Zinc Copper Silver Aluminium Zinc Copper Silver Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Alkalinity Hardness Eutrophication Acidity Alkalinity Hardness Eutrophication Acidity ANSWER DOWNLOAD EXAMIANS APP
Chemistry White phosphorus is always kept under Ether Benzene Kerosene Water Ether Benzene Kerosene Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry One of the following is used to dissolve noble metals. That is Hydrochloric acid Sulphuric acid Aqua ragia Nitric acid Hydrochloric acid Sulphuric acid Aqua ragia Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The minimum energy required for an effective collision is Threshold energy Activation energy Internal energy Free energy Threshold energy Activation energy Internal energy Free energy ANSWER DOWNLOAD EXAMIANS APP