Chemistry What is the element required for solar energy conversion ? Beryllium Silicon Ultra pure carbon Tantalum Beryllium Silicon Ultra pure carbon Tantalum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is also used as a Bio fertilizer? Ammonia Urea Uric Acid None of these Ammonia Urea Uric Acid None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron rusts quickly in Distilled water Sea water Rain water River water Distilled water Sea water Rain water River water ANSWER DOWNLOAD EXAMIANS APP
Chemistry When water itself combines chemically with some element or mineral it is called Oxidation Carbonation Desilication Hydration Oxidation Carbonation Desilication Hydration ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical formula of the laughing gas is NO2 N2O3 NO N2O NO2 N2O3 NO N2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of carbon in cost iron is : 3 to 5 0.01 to 0.25 6 to 8 0.5 to 1.5 3 to 5 0.01 to 0.25 6 to 8 0.5 to 1.5 ANSWER DOWNLOAD EXAMIANS APP